Latest / Morning Medical with Dr. Chow / Mediterranean Diet Benefits, Cannabis Risks, and Moderna's Updated COVID-19 Vaccine

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Mediterranean Diet Benefits, Cannabis Risks, and Moderna's Updated COVID-19 Vaccine · Morning Medical with Dr. Chow

• 0:00
  Hello and welcome to Morning Medical with Dr.
• 0:03
  Chow.
• 0:03
  I'm Dr.
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  Chi-Ming Chow, your host, here to bring you the latest updates in medical and health news from
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  around the world.
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  Today, we’ll delve into a fascinating new study that highlights the profound impact of
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  lifestyle changes on preventing type 2 diabetes.
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  Let's dive right in!
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  A recent study published in the Annals of Internal Medicine has found that a combination
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  of a lower-calorie Mediterranean diet, regular exercise, and nutritional support can
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  significantly reduce the risk of developing type 2 diabetes in overweight and obese
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  individuals aged 55 to 75.
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  This research, conducted as part of the ongoing Predimed-Plus trial in Spain, offers promising
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  insights into diabetes prevention strategies.
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  The study involved over 6,800 participants, all of whom had metabolic syndrome—a collection of
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  conditions that increase the risk of heart disease, stroke, and diabetes.
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  None of the participants had diabetes at the start of the study.
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  The findings revealed that those who adhered to a Mediterranean diet with calorie restrictions,
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  coupled with daily exercise and professional weight loss support, experienced a 31 percent
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  lower risk of developing type 2 diabetes compared to those who only followed the diet
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  without these additional interventions.
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  Dr.
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  Frank Hu, coauthor of the study and chair of the department of nutrition at Harvard T.H.
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  Chan School of Public Health, emphasized that the reduction in diabetes risk was likely due
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  to a combination of improved diet quality, increased physical activity, and modest weight
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  loss.
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  Participants in the intervention group not only lost weight but also saw improvements in body
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  composition, particularly a reduction in visceral fat, which is a known risk factor for
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  diabetes.
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  Interestingly, the study's results were described by some experts as "staggeringly
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  stunning" due to the long-term adherence to lifestyle changes.
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  Christopher Gardner from Stanford University noted that while calorie reduction and exercise
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  are known to prevent diabetes, the remarkable aspect of this study was the participants'
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  ability to maintain these changes over six years with minimal recidivism.
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  The Mediterranean diet, known for its emphasis on plant-based foods, healthy fats like olive
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  oil, and lean proteins such as fish, has been celebrated for its health benefits, including
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  reducing the risk of various chronic diseases.
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  This study underscores the importance of combining dietary changes with physical
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  activity and continuous support to achieve lasting health improvements.
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  Participants in the intervention group received comprehensive support, including regular
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  sessions with dietitians and structured exercise plans.
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  This holistic approach to lifestyle modification was crucial in helping them
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  sustain their healthy habits over the long term.
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  This study not only reinforces the well-established benefits of the Mediterranean
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  diet but also highlights the potential for structured lifestyle interventions to prevent
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  diabetes on a global scale.
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  It's a powerful reminder that with the right support and commitment, significant and lasting
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  health improvements are achievable.
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  Shifting gears, let's talk about a significant health concern that's been making waves in the
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  medical community.
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  A large systematic review has brought to light some worrying associations between potent
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  cannabis products and mental health risks.
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  Specifically, products with high concentrations of delta-9-tetrahydrocannabinol, or THC, have
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  been linked to an increased risk of psychosis, schizophrenia, and cannabis use disorder.
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  This review, which was published in the Annals of Internal Medicine, examined the effects of
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  these high-potency THC products across 99 studies involving over 221,000 participants.
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  The findings are quite striking.
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  Seventy percent of the nontherapeutic studies—those not aimed at treating any medical
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  condition—demonstrated a strong link between high-concentration THC and psychosis or
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  schizophrenia.
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  Moreover, seventy-five percent of these studies found a connection to cannabis use disorder.
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  Interestingly, when it came to anxiety and depression, the results were mixed.
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  While some studies suggested that potent THC products could exacerbate these conditions,
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  particularly in healthy individuals, others indicated potential therapeutic benefits,
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  especially among patients with cancer or neurological conditions.
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  Dr.
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  Jonathan M.
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  Samet, one of the authors from the Colorado School of Public Health, emphasized that the
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  review reinforces existing conclusions: higher THC concentrations are linked to adverse mental
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  health outcomes.
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  This is particularly concerning for healthy individuals who might not expect such
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  significant risks.
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  Dr.
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  Patricia Cavazos-Rehg from Washington University School of Medicine echoed these
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  concerns, pointing out that while some therapeutic benefits were noted, the risks were
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  particularly pronounced in healthy users.
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  It's worth noting that cannabis flower THC concentrations have risen dramatically over the
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  years.
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  Back in the 1960s to 1980s, THC levels were typically around two to four percent.
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  Today, they average about twenty percent and can be even higher in regions where cannabis
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  use is legal.
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  Vaping devices are especially concerning, as they can deliver THC concentrations as high as
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  seventy to ninety percent.
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  Despite the growing prevalence of high-potency cannabis products, the review highlighted a
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  significant gap in research.
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  Many studies failed to specify the exact cannabis products used, their dosage, or
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  frequency of use.
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  Dr.
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  Samet and his team stressed the need for more targeted research to better understand the
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  effects of these high-concentration THC products.
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  As healthcare professionals, it is crucial to educate patients about the potential harms of
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  high-concentration cannabis products.
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  While traditional plant-based marijuana might have a safer profile, these potent products
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  could pose serious risks, especially for those who are otherwise healthy.
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  In a significant development for Canadian healthcare, Health Canada has given the green
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  light to Moderna’s latest COVID-19 vaccine.
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  What's particularly noteworthy about this approval is that, for the first time, these
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  vaccine doses will be manufactured right here in Canada.
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  This marks a significant milestone for the country’s healthcare system and its ability to
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  respond to public health challenges.
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  Stefan Raos, the general manager at Moderna, expressed the importance of this achievement,
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  stating that having a domestic supply of mRNA COVID-19 vaccine doses enhances Canada’s health
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  resilience.
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  He emphasized that while viruses do not respect borders, the ability to respond effectively and
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  swiftly can be greatly influenced by having local manufacturing capabilities.
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  The newly authorized vaccine, known as Spikevax, targets the SARS-CoV-2 LP.8.1
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  variant, which is expected to circulate during the fall vaccination season.
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  Moderna has assured that this updated vaccine will be available in time for Canadians to
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  receive it.
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  Production of these vaccines will occur at facilities in Cambridge, Ontario, and Laval,
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  Quebec.
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  Raos highlighted that this year, all pre-filled syringe COVID-19 vaccine doses for Canada will
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  be produced entirely within the country.
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  This domestic production is set to begin at Moderna’s new mRNA manufacturing facility in
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  Laval, with completion at a fill-finish partner in Cambridge.
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  This end-to-end domestic supply chain is expected to provide numerous benefits,
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  including faster delivery, greater self-reliance, and a more agile response to
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  evolving public health threats.
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  The ability to produce vaccines domestically not only strengthens Canada’s health
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  infrastructure but also ensures a more rapid and efficient response in times of need.
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  In our final segment today, we're turning our attention to a promising development in the
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  field of Alzheimer's disease prevention.
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  A new observational study published in Nature Medicine has shed light on how diet,
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  specifically the Mediterranean diet, can play a significant role in mitigating genetic risks
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  associated with Alzheimer's disease.
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  Let's explore what this means for those with a predisposed risk to this condition.
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  The study focused on individuals carrying the APOE4 gene, which is recognized as the
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  strongest genetic risk factor for sporadic Alzheimer's disease.
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  The APOE4 allele is associated with an increased risk and an earlier onset of
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  Alzheimer's.
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  Interestingly, the study found that adherence to a Mediterranean diet was linked with a lower
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  risk of developing dementia, particularly among those who carry this genetic variant.
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  Dr.
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  Dong Wang and his team at Mass General Brigham in Boston conducted this study with healthcare
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  professionals as participants.
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  Their findings indicated that those who closely followed a Mediterranean dietary pattern had a
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  significantly reduced risk of dementia and experienced slower cognitive decline.
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  The protective effects were especially notable in individuals carrying two copies of the APOE4
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  allele, where each increase in the Mediterranean diet score was associated with
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  approximately a 35 percent lower risk of dementia.
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  Co-author Dr.
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  Yuxi Liu highlighted that the Mediterranean diet, known for its antioxidant-rich and
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  anti-inflammatory properties, modulated dementia-related metabolites more effectively
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  in those with higher genetic risks.
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  The diet's ability to influence metabolic pathways suggests its potential to counteract
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  the elevated genetic risk conferred by the APOE4 allele.
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  The research, which analyzed data from over 5,700 individuals from the Nurses' Health Study
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  and the Health Professionals Follow-Up Study, underscores the impact of dietary strategies in
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  reducing cognitive decline.
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  Metabolomic analysis revealed 57 metabolites associated with dementia risk, and these varied
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  based on APOE4 genotype and other genetic factors.
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  Importantly, the study indicates that individual components of the Mediterranean
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  diet, such as nuts, fruits, and monounsaturated fats, are strongly linked to beneficial
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  metabolomic patterns.
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  This suggests that adopting such dietary habits could broadly influence key metabolic pathways
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  and potentially reduce the risk of cognitive decline.
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  For those at higher genetic risk, like APOE4 carriers, this dietary approach could be
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  particularly beneficial.
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  While the findings are observational and may have limitations, they offer a hopeful
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  perspective on how lifestyle choices can influence genetic predispositions.
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  As we continue to unravel the complex interactions between diet, genetics, and
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  disease, such studies pave the way for more personalized approaches to health and disease
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  prevention.
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  That's all for today's episode of Morning Medical with Dr.
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  Chow.
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  We delved into some intriguing studies and developments that underscore the profound
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  impact of lifestyle and dietary choices on our health.
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  Remember, whether it's preventing diabetes or mitigating genetic risks for Alzheimer's,
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  making informed lifestyle choices can lead to significant health benefits.
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  Until next time, stay healthy and informed!