Latest / Morning Medical with Dr. Chow / Bemotrizinol, the First New Sunscreen Option in over 25 Years
Transcript
- 0:00Welcome to Morning Medical with Doctor Chow, your daily dose of the latest in medical and
- 0:05health news from around the globe, powered by artificial intelligence.
- 0:10I am Doctor Chi-Ming Chow, and it is a pleasure to have you with us today.
- 0:14Let's get started with our first story.
- 0:19Pope Leo the Fourteenth has made a remarkable recovery after undergoing surgery to remove a
- 0:25cancerous nodule from his lung.
- 0:27Just days after the operation, the Pope has resumed work from his hospital room at the
- 0:32Agostino Gemelli Polyclinic in Rome.
- 0:35According to his medical team, the surgery involved the removal of the lower section of
- 0:39his right lung and confirmed a diagnosis of adenocarcinoma, which is the most common type
- 0:45of lung cancer.
- 0:47Doctors have reported that the Pope's post-operative recovery is progressing as
- 0:51expected.
- 0:52His lung has recovered well, as shown by recent chest X-rays.
- 0:57Despite the surgery, Pope Leo is said to be in good spirits, eating, walking, and undergoing
- 1:03respiratory physiotherapy.
- 1:05He even celebrated Mass with other priests in a special chapel set up near his room.
- 1:11In addition to his physical recovery, Pope Leo has been actively engaging in his duties.
- 1:17He recently met with Archbishop Paolo Rudelli, the Vatican chief of staff, to discuss
- 1:22administrative matters of the Holy See.
- 1:25This meeting signifies the Pope's commitment to his responsibilities despite his health
- 1:30challenges.
- 1:32As of now, the Pope is expected to remain in the hospital until at least October twentieth.
- 1:38The Vatican has not announced any changes to his planned trip to South America, which
- 1:43includes visits to Peru, Uruguay, and Argentina, scheduled for early November.
- 1:49The Vatican spokesman, Matteo Bruni, noted that the Pope is grateful for the prayers and
- 1:54support he has received during this time.
- 1:58For the first time in over twenty-five years, there's a new option for sunscreen on the
- 2:04shelves in the United States.
- 2:06A skin-protecting chemical known as bemotrizinol, which has long been a favorite in
- 2:10Europe and other parts of the world, has received approval from the Food and Drug
- 2:14Administration.
- 2:16This new ingredient, sometimes referred to as BEMT, was approved in June, and now sunscreens
- 2:23containing it are becoming available in stores across the country, including formulations from
- 2:28well-known brands like Neutrogena.
- 2:31Dermatologists are excited about this development because bemotrizinol fills an
- 2:36important gap in the sunscreen market.
- 2:39It provides broad protection against both ultraviolet B rays, which cause most sunburns,
- 2:44and ultraviolet A rays, which pose the greatest risk of skin cancer and wrinkles.
- 2:50This dual protection qualifies it as a broad spectrum sunscreen.
- 2:55Previously, manufacturers had to combine multiple ingredients to achieve this level of
- 2:59protection.
- 3:01One of the significant advantages of bemotrizinol is that it does not have the
- 3:06cosmetic downsides of some older sunscreen ingredients.
- 3:10Many sunscreens, especially those using mineral bases like zinc oxide and titanium dioxide, can
- 3:16leave white streaks on the skin.
- 3:18This can be particularly problematic for people with darker complexions, who might be
- 3:23discouraged from using these products due to the visible residue.
- 3:27Bemotrizinol, on the other hand, offers strong protection without these cosmetic issues.
- 3:33Another benefit of bemotrizinol is its minimal absorption into the skin.
- 3:38Safety data collected over decades shows that it barely penetrates the skin, addressing
- 3:43concerns about chemical accumulation in the body, which has been an issue with some older
- 3:48sunscreen chemicals.
- 3:50Just last month, the Food and Drug Administration revoked approval of oxybenzone,
- 3:55an older chemical, due to concerns over its absorption levels.
- 3:58In contrast, bemotrizinol's large molecule size prevents it from being absorbed into the
- 4:04bloodstream, making it a safer option.
- 4:07The Food and Drug Administration's safety review of bemotrizinol included studies
- 4:12involving more than five hundred patients.
- 4:16These studies confirmed that the levels of bemotrizinol absorbed into the skin were nearly
- 4:21undetectable.
- 4:22Moreover, research indicated that daily use of bemotrizinol-containing sunscreens for up to
- 4:28three weeks did not cause irritation or allergic reactions.
- 4:33Consequently, the Food and Drug Administration has designated bemotrizinol as "generally
- 4:38recognized as safe and effective," placing it alongside other safe ingredients like zinc
- 4:43oxide and titanium dioxide.
- 4:47While bemotrizinol is recognized as safe for human use, more evidence is needed regarding
- 4:52its environmental impact, particularly on coral reefs.
- 4:57Some sunscreen ingredients have been shown to harm coral reefs, leading to bans on chemicals
- 5:02like oxybenzone and octinoxate in places like Hawaii and parts of Florida.
- 5:08Although the European Union's environmental agency has found limited evidence of
- 5:12environmental toxicity with bemotrizinol, longer-term research is necessary to fully
- 5:18understand its impact on marine ecosystems.
- 5:22In addition to its broad protection and safer profile, bemotrizinol offers another advantage:
- 5:28stability in sunlight.
- 5:30Unlike avobenzone, which is the only other chemical-based ingredient that filters
- 5:34ultraviolet A light and is known for its instability, bemotrizinol does not break down
- 5:40quickly under the sun's rays.
- 5:42This stability means that bemotrizinol maintains its protective properties longer,
- 5:47although dermatologists still recommend reapplying sunscreen every few hours,
- 5:52especially if you are swimming or sweating.
- 5:55It's important to remember that sunscreen should be part of a broader sun protection
- 6:00strategy.
- 6:01While bemotrizinol is a promising new option, it should not be relied upon solely for
- 6:06protection.
- 6:07Taking breaks in the shade, wearing hats, and using sun-protective clothing are all crucial
- 6:13elements of effective sun safety.
- 6:16As always, clothing provides excellent protection against harmful rays, sometimes even
- 6:21better than sunscreen alone.
- 6:24A recent study, co-authored by researchers from McMaster University, has brought to light the
- 6:30potential impact of ultra-processed foods on brain health.
- 6:34Ultra-processed foods, or UPFs, are those that have been heavily altered from their original
- 6:40form and often contain additives, preservatives, and artificial flavors.
- 6:45These foods are designed to be cheap and convenient, making them a prevalent choice in
- 6:50many diets.
- 6:51However, this new research suggests that indulging too heavily in these foods might have
- 6:57ramifications beyond what we can see in terms of weight and cardiovascular health.
- 7:03The study, published in JAMA Network Open, indicates that individuals who consume a high
- 7:09percentage of their daily calories from UPFs might be more susceptible to changes in their
- 7:15brain structure.
- 7:16These changes could serve as early indicators of conditions such as stroke, dementia, and
- 7:21cognitive decline.
- 7:23This finding is particularly concerning given that, according to Statistics Canada, nearly
- 7:29half of the calories consumed by Canadians come from ultra-processed foods.
- 7:34Russell de Souza, an associate professor at McMaster's Mary Heersink School of Global
- 7:39Health and Social Medicine, emphasizes that many people might not be aware of the potential
- 7:45harm these foods can cause to the brain.
- 7:47De Souza hopes the study's findings will encourage people to reconsider their dietary
- 7:53choices before any serious health issues manifest later in life.
- 7:57He points out that while UPFs are convenient, they often lack essential nutrients and can
- 8:03contribute to inflammation in the body, which in turn affects brain health.
- 8:08The research involved analyzing the diets and brain MRI scans of over eight thousand seven
- 8:14hundred Canadian adults, with a median age of fifty-eight.
- 8:18The participants were divided into groups based on their UPF consumption, with the highest
- 8:23consumers getting nearly forty-five percent of their daily calories from such foods.
- 8:28Those in this group showed increased levels of body fat, particularly visceral fat, which is
- 8:34known to release inflammatory proteins that can harm the brain.
- 8:39Dr.
- 8:39Sonia Anand, another co-author of the study and a vascular medicine specialist, noted that the
- 8:45MRI scans of participants with high UPF intake revealed brain changes akin to silent strokes.
- 8:53Silent strokes do not show immediate symptoms but can accumulate over time, leading to
- 8:58neurological issues such as vascular dementia.
- 9:02Dr.
- 9:02Michael Hill, a neurologist at the University of Calgary, not involved in the study,
- 9:07corroborated these findings, stating that the accumulation of such injuries increases the
- 9:13risk of neurological problems later in life.
- 9:16It's important to note that not all processed foods are ultra-processed.
- 9:21Many processed foods still retain nutritional value and are necessary for a safe and stable
- 9:27food supply.
- 9:28However, UPFs are largely devoid of beneficial nutrients like fiber, vitamins, and minerals,
- 9:35and are often high in added sugars, fats, and salts.
- 9:39This distinction is crucial as it highlights the need for dietary choices that prioritize
- 9:45whole or minimally processed foods.
- 9:48While the damage from a UPF-heavy diet may not be reversible, making dietary changes can slow
- 9:54further progression of potential brain damage.
- 9:57Dr.
- 9:58Hill advises that even when craving something sweet or salty, preparing it at home with whole
- 10:04ingredients is preferable.
- 10:06The mantra "eat foods that will rot, but not rotten food" underscores the importance of
- 10:11choosing fresh, whole foods over heavily processed alternatives.
- 10:16The study's authors highlight the necessity of improving health literacy to increase awareness
- 10:22about the impact of UPFs on health.
- 10:25They suggest that systemic changes, such as government interventions to make healthy foods
- 10:30more accessible and affordable, could help reduce the reliance on UPFs.
- 10:35Countries like Chile have successfully implemented measures like front-of-package
- 10:39labels to reduce UPF consumption, particularly among children.
- 10:44Such strategies could serve as models for other nations, including Canada.
- 10:51As we continue to explore the fascinating world of weight-loss medications, recent studies
- 10:56suggest that these drugs might offer a host of health benefits beyond just shedding pounds.
- 11:02This insight comes from research into glucagon-like peptide-1, or GLP-1 medications,
- 11:09including well-known names like semaglutide, which is the active ingredient in drugs such as
- 11:13Ozempic and Wegovy.
- 11:15Let's delve into the seven serious health issues that these medications might help
- 11:20address even before any significant weight loss occurs.
- 11:27Semaglutide has been shown to provide cardiovascular benefits that extend beyond
- 11:32weight loss.
- 11:33A major study published in The Lancet found that this drug reduced the risk of heart
- 11:38attacks, strokes, and cardiovascular death among individuals with existing cardiovascular
- 11:43disease and obesity.
- 11:45Interestingly, these benefits were observed across different body weights and were not
- 11:50fully explained by the weight loss alone.
- 11:53Next, GLP-1 medications have also been linked to reduced joint pain and improved mobility.
- 12:01The STEP 9 clinical trial, published in the New England Journal of Medicine, found that
- 12:07semaglutide significantly reduced knee osteoarthritis pain and improved physical
- 12:13function among adults with obesity.
- 12:15While the exact mechanism is still under investigation, the reduction in joint pain
- 12:20suggests that these medications could offer relief beyond their weight-loss effects.
- 12:26Promoting kidney health is another potential benefit of GLP-1 medications.
- 12:32These drugs may help protect kidney function through various mechanisms, including
- 12:36improvements in blood sugar, blood pressure, and inflammation.
- 12:41The landmark FLOW trial, also published in the New England Journal of Medicine, showed that
- 12:47semaglutide reduced the risk of major kidney-related complications and cardiovascular
- 12:52death by 24% among patients with type 2 diabetes and chronic kidney disease.
- 13:00GLP-1 medications may also help reduce liver inflammation and scarring, particularly in
- 13:07conditions like metabolic dysfunction-associated steatohepatitis, or
- 13:12MASH.
- 13:13A clinical trial published in the New England Journal of Medicine found that semaglutide
- 13:18improved liver tissue findings among patients with MASH, including reductions in inflammation
- 13:24and liver scarring, with a significant number of patients experiencing resolution of MASH
- 13:29without worsening liver fibrosis.
- 13:33Moving on to respiratory health, real-world research presented at the European Respiratory
- 13:38Society Congress has linked GLP-1 medications to fewer asthma attacks and chronic obstructive
- 13:45pulmonary disease flare-ups.
- 13:47Researchers speculate that the drugs' potential anti-inflammatory effects could be playing a
- 13:53role, although more studies are needed to confirm these findings.
- 13:57Mental health and addiction are areas where GLP-1 medications might also offer benefits.
- 14:04The brain contains GLP-1 receptors in regions involved in regulating appetite, emotions,
- 14:10motivation, and responses to rewards.
- 14:13Emerging research suggests that semaglutide may have potential benefits for mental health and
- 14:19addiction, although this area requires further exploration to establish a clear connection.
- 14:25Lastly, GLP-1-based medications are being investigated for their potential benefits in
- 14:32treating inflammatory skin conditions, including psoriasis.
- 14:36A clinical trial published in JAMA Dermatology found that adding tirzepatide, a medication
- 14:43similar to semaglutide, to an existing psoriasis treatment improved skin clearance
- 14:48among adults with moderate to severe psoriasis and obesity.
- 14:53It's important to note that while these potential benefits are promising, the effects
- 14:58of GLP-1 medications can vary by drug and individual.
- 15:02Patients should consult with healthcare providers to understand the potential risks and
- 15:07benefits specific to their health conditions.
- 15:10As research continues, these medications may become a key component in managing a range of
- 15:15health issues beyond weight loss.
- 15:19In recent news, a recall has been issued for certain batches of Flintstones vitamins, Aleve,
- 15:26and Claritin tablets due to distribution errors.
- 15:29The Canadian Food Inspection Agency, or CFIA, has announced that Flintstones Complete
- 15:35Multivitamins and Minerals tablets, 10 milligram Claritin Allergy Tablets, and 200
- 15:41milligram Aleve tablets have been recalled.
- 15:44This recall was prompted after customer-returned products were mistakenly
- 15:48reintroduced into saleable inventory and then redistributed across wholesale markets.
- 15:54The recall affects products manufactured by Bayer Incorporated, a well-known pharmaceutical
- 16:00company.
- 16:01The CFIA is urging consumers to verify whether their purchased products are part of this
- 16:08recall.
- 16:09Consumers are advised to contact the recalling firm directly to ensure their safety.
- 16:14Additionally, any health-related side effects from these products should be reported to
- 16:19Health Canada immediately.
- 16:22Mistakes like these serve as a reminder of the importance of rigorous checks and procedures in
- 16:27the distribution of pharmaceuticals.
- 16:30Ensuring that products are safely returned and not mistakenly reintroduced to the market is
- 16:35crucial to maintaining consumer trust and safety.
- 16:39It's always wise to stay informed about recalls and to check the safety of medications and
- 16:44supplements in your home regularly.
- 16:47If you have any of these products at home, take a moment to confirm their safety.
- 16:52You can do this by contacting the place of purchase or checking directly with Bayer
- 16:57Incorporated.
- 16:58It's better to be safe and ensure that none of the recalled items are in your medicine
- 17:03cabinet.
- 17:04As we wrap up today's episode, I want to thank you for joining me on Morning Medical with
- 17:09Doctor Chow.
- 17:10Stay informed, stay healthy, and I'll see you on our next episode.
- 17:15Take care!