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Do higher Sun Protection Factor (SPF) sunscreens provide for better protection? Is there a difference between SPF 30 and 50 for example?
Medical Mythbusting Commentary for June 17, 2026 Source:Think higher SPF means better? Experts say not always Note: I do not approve of this article because it is designed to advertise sunscreen products. But that was what I was sent today for the commentary. Reference: SPF Factors and Protection Above SPF 30 UVA vs. UVB Penetration…
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Millions take calcium and vitamin D for stronger bones. A major review finds little benefit
Medical Mythbusting Commentary for June 16, 2026 Source:Millions take calcium and vitamin D for stronger bones. A major review finds little benefit Reference:Calcium, vitamin D, or combined supplementation to prevent fractures and falls: systematic review and meta-analysis.
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Explain to parents why Vitamin K administration at birth is a safe and effective means of preventing neonatal bleeding conditions. More parents are saying no to the shot due to misinformation.
Medical Mythbusting Commentary for June 12, 2026 Source:More parents are saying no to newborn vitamin K shots. Experts are concerned. Reference: The following patient handout synthesizes the information discussed across this conversation, covering the rationale for vitamin K at birth, sources of vitamin K, types and symptoms of vitamin K deficiency bleeding, and the outcomes…
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Beta-blockers, taken by millions after a heart attack, found to be ineffective for people with uncomplicated heart attacks (normal heart function thereafter) and presents increased risk of harm to women. Changes to management likely in the works for this population.
Medical Mythbusting Commentary for May 27, 2026 Source:Common heart drug taken by millions found useless — and possibly dangerous Reference:Beta-Blockers after Myocardial Infarction without Reduced Ejection Fraction Beta-blockers after myocardial infarction: effects according to sex in the REBOOT trial
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Remnant cholesterol levels found to be an independent risk factor for heart disease. We discuss what this is and what the approach to management entails.
Medical Mythbusting Commentary for May 26, 2026 Source:Experts have found a new type of cholesterol. And it could be the most dangerous Reference: Source: openevidence.comRemnant cholesterol — defined as total cholesterol minus LDL-C minus HDL-C — is an emerging and increasingly recognized causal risk factor for ASCVD. Management centers on lifestyle modification as first-line therapy,…
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Biological age tests reveal what slows or hastens aging – but they’re useful only for researchers, not consumers
Medical Mythbusting Commentary for May 7, 2026 Source:Biological age tests reveal what slows or hastens aging – but they’re useful only for researchers, not consumers
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PTSD leaves detectable marks in blood, new research reveals
Medical Mythbusting Commentary for April 29, 2026 Source:PTSD leaves detectable marks in blood, new research reveals Reference:Towards scalable biomarker discovery in posttraumatic stress disorder: triangulating genomic and phenotypic evidence from a health system biobank
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How to prepare for tick season.
Medical Mythbusting Commentary for April 23, 2026 Source:‘You have to be careful’: Experts warn tick season has started early in Canada Tick bite prevention strategies for eastern and central North America, including Ottawa, Ontario: Before venturing outside: During and after exposure to tick habitats: If an attached tick is detected: Additional considerations:
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After a heart attack, beta-blockers are often a lifelong medicine. Maybe they shouldn’t be for stable low-risk post-MI patients
Medical Mythbusting Commentary for March 31, 2026 Source:After a heart attack, beta-blockers are often a lifelong medicine. Maybe they shouldn’t be