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Dr. Rhonda Patrick explores supplemental tyrosine, lion's mane, cordyceps, aging tests, and sunscreen's efficacy and safety in a Q&A.

“The researchers posited that the immobilized arm retained more muscle mass and strength due to neural adaptations from training the opposite arm, a phenomenon known as cross-education effects. Interestingly, sauna use can also help maintain muscle mass during periods of disuse due to immobilization.”

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

“More importantly, however, these effects were sustained – even after several months – demonstrating that sulforaphane did not exhaust the body's capacity to protect itself from environmental threats and suggesting that regular consumption of sulforaphane in foods or dietary supplements provides a kind of nutritional "seatbelt" that protects against future toxic exposures.”

“BFR training protocols include a frequency of 2-3 times per week, occlusion pressure of 40-80% depending on the limb, using 2 exercises per muscle group, repetition schemes, wear times of 10-20 minutes, loads of 20-50% of 1 rep max, and a tempo of 1-2 seconds for both concentric and eccentric.”

“Few topics come up in their discussion where Dr. Fahey doesn't have an anecdote about a study he was involved in, or, in some cases, "tribal knowledge" that may not even be published but is nonetheless interesting and an important part of the story that is unique to his particular vantage point.”

“Premenopausal females have much lower rates of cardiovascular disease than similarly aged males because of the protective effects of estrogen, but after menopause, there's not much of a difference, and cardiometabolic risk factors actually worsen in females during the menopause transition, indicating this may be a crucial time for exercise intervention to protect the cardiovascular system.”

“While typical muscle-oriented creatine supplementation protocols (3–5 grams daily) can benefit bone indirectly through increased muscle mass, emerging evidence suggests that higher doses (up to ~8–10 grams/day) might be optimal for maximizing creatine's potential bone benefits in aging populations, especially when paired with weight-bearing exercise.”