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

“It suggests that when the body runs low on essential vitamins or minerals, it doesn't distribute them evenly. Instead, it prioritizes urgent survival tasks, like keeping the heart beating or clotting blood, over long-term maintenance, such as repairing DNA or defending against oxidative damage.”

“These changes increase infection risk, weaken vaccine responses, and reduce early cancer surveillance. Yet immune aging is not fixed. Movement, sleep, stress regulation, temperature exposure, and nutrition shape immune cell balance and inflammatory activity over time.”

“Insulin-like growth factor-1, or IGF-1 for short, is a protein that plays critical roles in major growth pathways in the human body. It influences nearly every tissue in the body, especially developmental growth, skeletal muscle and neurons.”

“Davidson reported that five minutes of daily Healthy Minds Program practice for 28 days produced a significant decrease in interleukin-6 (IL-6), a pro-inflammatory cytokine, measured three months after the formal intervention ended and compared with an untreated control group.”

“Dom's efforts at teasing out the differences between induced nutritional ketosis (through a low carbohydrate, high fat diet) and ketosis from the dietary introduction of exogenous ketones, like beta-hydroxybutyrate, especially in the context of therapeutic and performance enhancing effects.”

“Dr. Aubrey de Grey is a biomedical gerontologist and the founder of the SENS Research Foundation which aims to find technologies that can repair the various types of damage that occur during the aging process. Learn more about Dr. Aubrey De Grey SENS Research Foundation.”

“A healthy intestinal barrier limits the transport of pathogens and endotoxins from the gut to the bloodstream; however, increased gut permeability (known as "leaky gut") raises endotoxin levels, leading to metabolic endotoxemia.”

“How well do the vaccines protect against the delta variant? How should VAERS (Vaccine Adverse Events Reporting System) data be interpreted? This Aliquot features Dr. Roger Seheult, a physician working on the frontlines of COVID-19 critical care.”

“Online resources that combine healthful practices and feedback may be beneficial for some people with depression but tapping into the benefits of less modern practices may be beneficial, too. Ancient practices, such as heat exposure, long-distance running, and fasting may promote mental well-being.”