Q&A
Q&A #84: Chemical Sunscreen Safety—Plus What Rhonda Eats
Dr. Rhonda Patrick discusses sunscreen safety, HIIT & brain health, diet, omega-3s, urolithin A, sulforaphane, homocysteine, peptides, and CoQ10.
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Ranked by shared topics, with one result from each original episode.
Q&A
Dr. Rhonda Patrick discusses sunscreen safety, HIIT & brain health, diet, omega-3s, urolithin A, sulforaphane, homocysteine, peptides, and CoQ10.
Episode
“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.”
Episode
“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”
Episode
“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%.”
Clip
“In this Knowledge Project excerpt, Dr. Rhonda Patrick distinguishes Finnish sauna protocols near 174–175°F from lower-temperature infrared sauna, which may require longer exposure. Dose depends on temperature, humidity, duration, acclimation, hydration, and health.”
Episode
“A staggering 60% of all calories Americans consume come from ultra-processed foods that fail to induce proper satiety, remain cheaper than whole foods, and hijack our dopamine reward pathways, pushing us to overeat, incentivizing unhealthy food choices, and reinforcing addictive eating behaviors.”
Episode
“Although scientists have identified other lifestyle behaviors that can help prevent the build-up of amyloid plaques by boosting the capacity for glymphatic clearance – such as exercise and adequate intake of omega-3 – the most important factor by far is a good night's sleep, especially deep sleep.”
Clip
“Sleep and the immune system are intrinsically linked. Sleep problems may arise because of medical or behavioral reasons, but modern life frequently dictates a work schedule late into the evening, disrupting our natural sleep/wake cycles.”
Episode
“When most people think about certain lifestyle factors that affect insulin sensitivity and blood glucose levels, they think about macronutrient composition, or calories, or fasting, or exercise (and lack of), but they don’t often think about sleep.”
Clip
“In a placebo-controlled study of eight healthy adults, adrenaline infusion lowered plasma magnesium, and levels had not recovered one hour later. Investigators proposed a shift into cells after beta-adrenergic stimulation; the study did not measure cortisol, urinary loss, total-body depletion, or clinical deficiency.”