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

“Microplastics are tiny plastic fragments that contaminate our food, water, and air, making exposure nearly unavoidable. Even healthy choices—such as brushing our teeth or drinking plenty of water—bring us into contact with vast amounts of microplastics.”

“Imagine a drug that improves sleep, reduces stress, sharpens focus, and boosts mood—without cost or side effects. That "drug" is light. Natural light is more than just illumination; it's a potent regulator of our body's internal clock, driving critical processes like hormone release and sleep-wake cycles.”

“Dr. Roland Griffiths is a clinical pharmacologist at Johns Hopkins and one of the world's foremost researchers on the psychedelic compound psilocybin. Learn more about Dr. Roland R. Griffiths Johns Hopkins Profile - Roland R. Griffiths. List of Publications.”

“New Scientist article. 02:06:10 - Some people, like Tom Cruise and Keanu Reeves, seem to defy aging. 02:08:15 - One 12-ounce can of sugar-sweetened soft drink per day shortened telomere length, corresponding to 4.6 years of biological aging.”

“Please note that the information in this episode is based on Rhonda's own personal experience and is not medical, professional, or licensed advice. If you are thinking about starting or changing your own supplement routine, please make sure you consult your physician or health care provider.”

Dr. Rhonda Patrick discusses microdosing nicotine, GlyNac benefits, intermittent fasting and hair loss, and cold & flu relief.

Dr. Rhonda Patrick discusses silicone safety, grounding, pentadecanoic acid, and the potential benefits of olive leaf extract and peptides.

“By educating ourselves and making informed decisions—like implementing water filtration systems, choosing fresh foods over those packaged in plastic, selecting natural fiber clothing, and supporting our body’s detox pathways through nutrition and lifestyle practices—we can actively reduce our exposure to microplastics and their harmful chemicals.”