#390 ‒ AMA #84: Family Health History, Preventing Heart Disease, Metabolic Health, Strength Training Efficiency, Dementia Risk Reduction, NAD Supplements, and Hydration

Peter Attia emphasizes that a thorough family health history often yields more actionable insight than single‑gene genetic testing for conditions like heart disease, diabetes, and cancer. By asking structured, person‑by‑person questions about medications, events, and procedures, clinicians can map polygenic risk patterns that guide early interventions. This approach is especially valuable when genetic panels are unavailable or inconclusive, allowing patients to prioritize lifestyle changes and screening based on concrete familial trends.

The conversation then shifts to why cardiovascular disease remains a leading cause of death despite modern tools. Attia argues that individual risk tolerance dictates whether patients pursue aggressive screening, medication, or lifestyle modifications, and that many low‑benefit, high‑risk interventions are overused. He also challenges the myth that excess body fat always signals metabolic dysfunction, noting that peripheral fat storage can preserve insulin sensitivity. For time‑pressed professionals, he proposes a minimum effective dose of strength training: two high‑intensity sessions per week focusing on compound movements, which maintain muscle mass and metabolic health without excessive volume.

Finally, Attia outlines evidence‑based strategies to lower dementia risk, highlighting regular aerobic exercise, sufficient sleep, and optimal cardiometabolic health as the most impactful levers. He remains skeptical of NAD‑boosting supplements, demanding rigorous human trials before endorsing them. Regarding hydration, he advises electrolyte supplementation only when sweat losses are substantial or during prolonged endurance activities, warning against routine overuse. These practical, risk‑adjusted recommendations help busy executives translate science into sustainable health habits.