Latest / Morning Medical with Dr. Chow / Cranberries for UTIs, Young-Onset Dementia, and Melatonin's Heart Impact

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Cranberries for UTIs, Young-Onset Dementia, and Melatonin's Heart Impact · Morning Medical with Dr. Chow

0:00
Welcome to Morning Medical with Dr.
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Chow, where we bring you the latest updates in medical and health news from around the globe.
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I'm your host, Dr.
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Chi-Ming Chow.
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Today, we're diving into a popular topic: the role of cranberries in preventing urinary tract
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infections, commonly known as UTIs.
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You may have heard that cranberries are beneficial for urinary health, but are they
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really effective?
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The research is mixed.
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Some studies suggest that cranberry juice or cranberry pills can help reduce the risk of
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UTIs, particularly for women or those assigned female at birth who are at higher risk.
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However, other studies have found little evidence of their effectiveness.
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The consensus among experts is that more research is needed to draw definitive
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conclusions.
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One review indicated that cranberries might reduce the risk of UTIs by about 30%, and in
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nonpregnant women, they might lower the chances of repeated infections by 26%.
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Another study found that individuals who consumed cranberry juice had 54% fewer UTIs
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compared to those who did not receive any treatment or who drank non-cranberry beverages.
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Additionally, cranberry juice was associated with a 49% reduction in antibiotic use compared
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to a placebo.
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Despite these promising figures, the evidence remains inconsistent.
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Christian Moro, a biomedical scientist at Bond University in Queensland, Australia, suggests
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that while cranberry compounds—in any form—might reduce UTI symptoms significantly,
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the certainty of the data is moderate to low.
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Therefore, more high-quality randomized controlled trials are necessary.
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The American College of Obstetricians and Gynecologists notes that unsweetened cranberry
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juice or pills might lower UTI risk, but it's unclear how much or how long one needs to
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consume them to see an effect.
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Similarly, the American Urological Association suggests that cranberries could be recommended
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to help prevent recurring UTIs.
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Dr.
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Anne Cameron, a clinical professor of urology at Michigan Medicine, recommends cranberry
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supplementation for those with recurrent UTIs or those simply looking to prevent them.
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Recurrent UTIs are defined as having three infections in a year or two within six months.
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She emphasizes that cranberries are generally nontoxic with minimal side effects, making them
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a safe option for many.
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The mechanism by which cranberries might prevent UTIs involves certain substances in the
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fruit, such as fructose and proanthocyanidins, which may inhibit bacteria like Escherichia
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coli from adhering to the bladder walls.
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Without this adhesion, the bacteria are less likely to cause an infection.
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For those considering cranberry juice, it's important to choose a product that is 100%
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cranberry juice, as cranberry cocktails often contain other juices and less of the active
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compounds.
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Some experts suggest consuming about 300 milliliters of cranberry juice daily, aiming
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for 36 milligrams of proanthocyanidins.
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Cranberry supplements are available in various forms, such as capsules, tablets, or powders.
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However, since supplements aren't regulated like medications, it's crucial to choose
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high-quality products.
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Supplements should contain at least 36 milligrams of proanthocyanidins, and it's
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advisable to consume them with plenty of water to maximize their benefits.
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While cranberry products are generally safe, they can cause stomach upset or diarrhea in
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some people, especially when consumed in large quantities.
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They also contain sugar and calories, which could be a concern for those managing diabetes
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or calorie intake.
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Additionally, cranberry juice is high in oxalates, which might increase the risk of
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kidney stones, and it can interact with blood-thinning medications like warfarin.
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In summary, while cranberries might offer some benefit in reducing UTI risk, they shouldn't
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replace proven medical treatments.
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It's always best to consult your doctor before starting any new supplement, especially if you
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have underlying health conditions or are on medications.
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Today, we're discussing an important study on young-onset dementia and its impact on
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mortality.
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This condition, often referred to as early-onset dementia, is diagnosed before the
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age of sixty-five.
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A recent population-based cohort study from Finland sheds light on the survival rates and
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risks associated with this condition, revealing some sobering statistics.
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The study, conducted by Dr.
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Eino Solje and colleagues from the University of Eastern Finland, found that the all-cause
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mortality risk for people with young-onset dementia is more than six times higher than
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that of their age-matched peers.
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This is a significant finding, highlighting the severe impact early-onset dementia can have on
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life expectancy.
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The median survival time for individuals with young-onset dementia was found to be 8.7 years.
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However, this varied depending on the type of dementia.
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For example, those with young-onset frontotemporal dementia had the shortest
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survival time at 6.9 years, while individuals with young-onset Alzheimer's disease had a
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longer median survival of 9.9 years.
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Those with mixed or other dementias had a survival time of more than 10 years.
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Interestingly, the study noted that certain factors like sex, age, family history, and
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comorbidities did not significantly alter these risks, indicating that the type of dementia
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itself plays a crucial role in determining survival.
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However, diabetes was identified as a comorbidity that could shorten survival time in
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these patients.
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Dr.
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Solje emphasized the importance of these findings not just for clinical understanding
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but also for health policy planning.
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As young-onset dementia affects individuals who are often still of working age, accurate data
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on survival and mortality are essential for planning health services, care pathways, and
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caregiver support systems.
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By understanding the typical trajectories of these diseases, healthcare providers can better
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identify atypical and rare cases earlier.
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The global prevalence of young-onset dementia is more common than previously thought.
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In 2021, it was reported to affect 119 people per 100,000 in the population aged thirty to
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sixty-four, amounting to 3.9 million people worldwide.
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This underscores the need for increased awareness and resources to support those
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affected by early-onset dementia.
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While the study provides valuable insights, it's important to note its limitations.
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The research was observational, meaning no direct cause-and-effect conclusions can be
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drawn.
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Additionally, most participants lacked genetic or autopsy data, and the sample sizes for
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specific dementia subtypes were relatively small.
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In conclusion, the increased mortality risk associated with young-onset dementia highlights
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the urgent need for further research and improved healthcare strategies to support this
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population.
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As we continue to learn more about this condition, it's crucial that we develop
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comprehensive approaches to care and support those living with early-onset dementia and
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their families.
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Today, we're exploring the topic of new daily persistent headache, often abbreviated as NDPH.
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This is a condition where headaches begin suddenly and persist every day, without any
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clear cause, for more than three months.
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Joey R.
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Gee, a neurologist at Mission Heritage Medical Group in Mission Viejo, California, explains
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that NDPH is a recognized diagnosis by the International Headache Society.
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He notes that many people are not familiar with this condition, even though it can be quite
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debilitating.
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The headache does not respond to typical treatments and can last for an extended period,
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often longer than three months.
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Patients can usually recall the specific day their headache started, and while the intensity
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may vary, the pain is constant.
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The exact cause of new daily persistent headache remains unknown, but there are some
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theories.
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It might be associated with viral or bacterial infections, such as COVID-19, dengue fever, or
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meningitis.
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Sometimes, these headaches are secondary to other conditions like cerebrospinal fluid
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pressure syndrome or Chiari malformation, but they are primarily classified as a primary
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headache condition, meaning there's no known specific cause.
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Dr.
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Gee mentions that anyone can develop NDPH, though it appears to be more common in females
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and in individuals aged ten to eighteen.
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The prevalence is estimated to be up to one hundred people per one hundred thousand,
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although it might be underdiagnosed due to a lack of awareness.
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Symptoms of new daily persistent headache can vary, but generally, the pain is moderate to
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severe and continuous.
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It's often described as pressing or tightening around the head, and it can be accompanied by
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sensitivity to light and sound.
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Unlike migraines, NDPH does not typically cause nausea or vomiting, and physical activity does
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not worsen the pain.
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Diagnosis involves ruling out other potential causes, such as head injuries or other types of
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headaches.
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Doctors often use imaging tests like MRI or CT scans to ensure there are no underlying
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conditions that require immediate attention.
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When it comes to treatment, working with a neurologist or headache specialist is crucial,
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as NDPH is not commonly encountered by general practitioners.
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Treatment can involve a variety of medications, including anticonvulsants, muscle relaxants,
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and certain antidepressants.
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Interestingly, some patients respond to antibiotics or steroids.
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For others, non-steroidal anti-inflammatory drugs, botulinum toxin injections, or
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anesthetic agents like ketamine might be considered.
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However, it's important to be cautious with analgesics, as overuse can lead to rebound
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headaches.
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Physical therapy and lifestyle changes, such as maintaining a healthy diet and regular physical
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activity, can also help manage the condition.
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Living with new daily persistent headache can be challenging, impacting one's work,
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relationships, and overall quality of life.
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Dr.
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Gee emphasizes the importance of validating the condition for patients, as many may not have
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heard of it before.
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The goal of treatment is not necessarily to eliminate the headache entirely, but to reduce
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its intensity and improve the patient's quality of life.
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This often involves a combination of medication, lifestyle adjustments, and support
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from healthcare providers.
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In a groundbreaking move, the Maldives has implemented a sweeping new national law that
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bans smoking for an entire generation.
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This law, which took effect on November 1st, prohibits anyone born after January 1st, 2007,
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from smoking, purchasing, or using tobacco products.
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This initiative, proposed by President Mohamed Muizzu earlier this year, aims to create a
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tobacco-free generation and represents a significant step forward in public health
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efforts.
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The Ministry of Health in the Maldives has hailed this law as a "historic milestone" in
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the nation's efforts to protect public health.
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The ban encompasses all forms of tobacco, and retailers are now required to verify the age of
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buyers before any sale.
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This move is complemented by an existing complete ban on the import, sale, distribution,
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possession, and use of electronic cigarettes and vaping products, regardless of age.
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The World Health Organization has long highlighted tobacco use as one of the biggest
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public health threats globally, noting that it is responsible for over seven million deaths
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each year.
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The organization underscores that all forms of tobacco use are harmful and that there is no
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safe level of exposure.
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The Maldives' generational ban on tobacco reflects a strong governmental commitment to
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shielding young people from these dangers.
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Interestingly, the Maldives is the first country to successfully implement such a
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generational smoking ban, though it is not the only nation to consider this approach.
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New Zealand had proposed a similar ban that would have prevented tobacco sales to
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individuals born after January 1st, 2009.
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However, this proposal was struck down in 2023 before it could be enacted.
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Meanwhile, Britain is contemplating a comparable law through the Tobacco and Vapes
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Bill, which would ban tobacco product and vape sales to those born after January 1st, 2009, if
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passed.
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This bold initiative by the Maldives sets a precedent and could inspire other countries to
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adopt similar measures, potentially leading to a significant reduction in tobacco-related
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illnesses and deaths worldwide.
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As always, we'll keep you updated on any developments in this area.
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A recent study has raised concerns about the long-term use of melatonin supplements and
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their potential link to heart failure.
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This research, which involved a review of electronic medical records, suggests that
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individuals with chronic insomnia who took melatonin for a year or longer had a 90% higher
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risk of heart failure over the next five years compared to those who did not use the
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supplement.
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Moreover, melatonin users were more than three times as likely to be hospitalized for heart
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failure and about twice as likely to die from any cause.
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Dr.
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Ekenedilichukwu Nnadi, the lead author of the study and chief resident in internal medicine
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at SUNY Downstate/Kings County Primary Care in Brooklyn, highlighted that while these findings
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are striking, they should be interpreted with caution.
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The study was not designed to establish a direct cause-and-effect relationship, and it
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contradicts previous research that suggested potential benefits of melatonin for heart
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health.
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Furthermore, the study has not yet undergone peer review or been published in a scientific
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journal but will be presented at the upcoming American Heart Association’s Scientific
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Sessions 2025 meeting.
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Melatonin is a hormone naturally produced by the pineal gland in the brain in response to
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darkness, helping the body prepare for sleep.
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However, the melatonin found in supplements can be extracted from animal pineal glands or
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synthesized chemically.
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In the United States, melatonin is sold as a dietary supplement, which means it is not
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subject to the same rigorous safety and efficacy standards as medications approved by
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the US Food and Drug Administration.
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This can result in supplements containing more melatonin than advertised or containing harmful
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additives.
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Chronic insomnia, which affects about 10% of the global population, is characterized by
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difficulty falling asleep or staying asleep for more than 30 minutes on multiple occasions each
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week for over three months.
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This condition can significantly impact memory, daytime energy, mood, cognitive functions, and
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social life.
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A healthcare professional can help determine whether insomnia is a standalone issue or
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linked to an underlying condition and recommend appropriate treatments, which may include
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changes to sleep routines, therapy, or medication.
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The study drew data from over 130,000 adults in the TriNetX Global Research Network, with an
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average participant age of 55, and 61.4% being women.
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Participants were divided into those with documented use of melatonin for more than a
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year and those without any record of melatonin use.
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However, this setup presents limitations, as the database includes patients from countries
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with different regulations regarding melatonin prescriptions.
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Moreover, details on the severity of insomnia or mental health conditions, both of which
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could affect melatonin use and heart health, were not available.
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Insomnia has been linked to an increased risk of cardiovascular issues, including heart
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attacks and strokes.
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Disruptions in circadian rhythms, where melatonin plays a role, and insufficient sleep
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have been associated with greater odds of heart failure.
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Despite this, the Council for Responsible Nutrition emphasizes that low-dose, short-term
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melatonin supplementation is generally considered safe for healthy adults when used
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appropriately.
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Previous studies have shown that melatonin might improve quality of life and cardiac
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function in heart failure patients, and it acts as an antioxidant, protecting against oxidative
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stress.
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Before considering melatonin or any sleep aids, it is important to consult a healthcare
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provider to ensure a proper diagnosis and discuss the best treatment options.
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Dr.
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Marie-Pierre St-Onge, director of the Center of Excellence for Sleep & Circadian Research,
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advises against chronic use of melatonin without clear medical indication.
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Good sleep hygiene practices, such as reducing light exposure and screen time before bed, can
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also aid in improving sleep quality.
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If melatonin supplementation is chosen, pharmaceutical-grade products verified by the
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US Pharmacopoeia’s Dietary Supplement Verification Program are recommended.
18:40
In a significant development, Quebec's health minister, Christian Dubé, and treasury board
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president, France-Élaine Duranceau, announced the suspension of two measures from Bill 2,
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aiming to bring doctors' federations back to the bargaining table.
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This move comes amidst growing discontent among Quebec's medical community regarding the
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special legislation that affects their remuneration.
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Premier François Legault expressed a desire to "extend a hand" to the federations representing
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the province's general practitioners, medical specialists, and medical students.
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The hope is to engage in constructive dialogue about the details of the changes, despite the
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fundamental shift in doctors' payment methods being a settled matter.
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The announcement follows legal challenges launched by these federations, including the
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Fédération médicale étudiante du Québec, against Bill 2.
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The federations have been vocally opposed to the legislation, which has led to legal actions
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and strikes, particularly among medical students who are contesting the law's
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interference with their studies.
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One of the suspended measures involves maintaining the premium that specialized
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doctors receive when referred patients by family doctors.
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Initially, the law sought to abolish this premium and redirect the funds.
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The second measure pertains to the allocation of funds for office expenses in family medicine
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groups, which will continue to be paid directly to doctors for now.
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The Coalition Avenir Québec government, led by Premier Legault, had invoked closure to pass
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Bill 2, which imposes hefty fines on groups of doctors that engage in collective actions
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against the government's policies.
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This has further fueled the backlash from the medical community, leading to resignations and
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ongoing disputes.
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The Fédération des médecins omnipraticiens du Québec (FMOQ) has made it clear that they will
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not re-enter negotiations unless Bill 2 is entirely paused.
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The federation criticized the government's approach, particularly the use of performance
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indicators that they argue promote "fast-food" medicine.
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They also raised concerns about the lack of guaranteed access to necessary human resources.
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As tensions continue, Quebec's medical community is grappling with significant changes
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to their compensation and work conditions.
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The government's latest gesture to suspend parts of Bill 2 indicates a willingness to
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negotiate, but it remains to be seen whether this will be enough to bring all parties back
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to the table.
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Today, we're diving into an important and often overlooked topic in medical education: the
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inclusion of deaf culture and American Sign Language, or ASL, in medical school
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curriculums.
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This gap in education can significantly affect the quality of care that deaf and
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hard-of-hearing patients receive.
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It's a common scenario in healthcare settings where clinicians may not be fully equipped to
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communicate effectively with deaf patients.
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While the Americans with Disabilities Act mandates that healthcare providers ensure
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effective communication, this is not always implemented in practice.
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Often, clinicians rely on lip-reading, written notes, or family members to facilitate
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communication, which can lead to misunderstandings and misdiagnoses.
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The lack of training in ASL and deaf culture can contribute to poorer health outcomes for
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deaf individuals, who studies show have higher rates of chronic diseases and are more frequent
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visitors to emergency departments compared to their hearing counterparts.
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This indicates a pressing need for medical schools to integrate deaf culture education
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into their curriculums to foster culturally competent physicians.
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Despite the importance of communication in medicine, deaf and hard-of-hearing patients are
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often overlooked in the foundational competencies outlined by the Association of
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American Medical Colleges.
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While many medical schools offer courses in medical Spanish, few provide formal education
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in ASL or deaf culture.
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This lack of training can perpetuate health disparities faced by the deaf community.
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Inspired by a personal encounter with a deaf patient, Annie Hutchinson, a medical student at
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Loyola University Chicago Stritch School of Medicine, spearheaded the introduction of a
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one-hour session on ASL and deaf culture in her school's curriculum.
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The goal is not to make students fluent in ASL, but to raise awareness and promote
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disability-inclusive healthcare.
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Similar initiatives are beginning to emerge in other medical schools, but they remain
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exceptions rather than the norm.
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Without broader educational reforms, the health disparities experienced by deaf and
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hard-of-hearing individuals are likely to persist.
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Moreover, expanding such education could encourage more deaf individuals to pursue
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careers in medicine, enhancing diversity and inclusion in the field.
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Annie's journey into ASL started with her own early communication challenges, which fueled
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her passion for language and expression.
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Her story underscores the importance of empathy and understanding in healthcare, emphasizing
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the need for physicians to listen and connect with patients, even those they cannot hear.
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As we conclude today's episode, it's clear that integrating deaf culture education into medical
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training is crucial for reducing health disparities and fostering a more inclusive
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healthcare environment.
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Thank you for joining me on Morning Medical with Dr.
24:24
Chow.
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Stay informed, stay healthy, and I'll see you next time.