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Dr. Rhonda Patrick answers audience questions on various health, nutrition, and science topics in this Q&A session.

“In this podcast, we discuss and critically analyze a recent headline-grabbing editorial that was published in the Annals of Internal Medicine that reviewed three studies on the topic of multivitamins and chronic disease prevention. We analyze the important shortcomings of the studies and talk about the mechanism.”

“Whereas its link to diabetes is well known, what is likely underappreciated is that refined sugar may be linked to as many as 200,000 deaths worldwide each year from diabetes, cardiovascular disease, and cancer combined. Refined sugar also affects the brain.”

“In this episode, Rhonda gives a summary of the science of resveratrol including its effects in animals and humans, the mechanisms behind how it works, and the bottom line on resveratrol supplementation and safety. A few key moments... For a more in-depth timeline, as well as references for this episode, click the timeline tab. Learn more about resveratrol on our overview page”

“Most common graying is strongly related to age and genetics, but selected observations suggest that stress, nutrient status, and cellular energy metabolism can influence pigment in some circumstances.”

“The main ingredient-interaction evidence concerns polyphenol oxidase. A small controlled crossover study found that a high-PPO banana smoothie greatly reduced circulating flavan-3-ol metabolites compared with a low-PPO berry drink or capsule control.”

“Diamandis and Robbins are a dynamic duo, having paired up with co-author Dr. Robert Hariri to write Life Force, a best-selling book that describes breakthroughs in precision medicine and health technologies that can help people live longer, healthier, more fulfilling lives – in the very near future.”

“Not only is salmon roe a good source of DHA, it also provides protein, vitamins, minerals, and astaxanthin – an antioxidant compound that gives salmon its reddish or pinkish tint. In human studies, astaxanthin reduces biomarkers of oxidative stress.”

“Although the findings of a large meta-analysis published in the journal Annals of Internal Medicine indicated that there was no evidence to support the notion that consumption of saturated fat increased the risk of heart disease, the studies on which their conclusions were based were primarily observational.”

“In this video, Dr. Rhonda Patrick summarizes a recent study that found that frequency of sauna use was associated with increased decreased risk of death. Using the sauna 2-3 times per week was associated with 24% lower all-cause mortality and 4-7 times per week decreased all-cause mortality by 40%.”