#390 ‒ AMA #84: Family health history, preventing heart disease, metabolic health, strength training efficiency, dementia risk reduction, NAD supplements, and hydration

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View the Show Notes Page for This Episode Become a Member to Receive Exclusive Content Sign Up to Receive Peter's Weekly Newsletter In this "Ask Me Anything" (AMA) episode, Peter answers listener questions across a wide range of topics, focusing on how to think through real-world trade-offs and apply scientific evidence in practice. He explores how to build and interpret a meaningful family health history, how individual risk tolerance influences decisions around testing and treatment, and why heart disease remains poorly prevented despite available tools. He also examines whether it's possible to carry excess body fat while remaining metabolically healthy, outlines the minimum effective dose for strength training for those with limited time, and discusses the habits and interventions most likely to reduce dementia risk. Additional topics include what evidence would need to emerge for him to reconsider his current stance on NAD-boosting supplements, and when hydration and electrolyte strategies are truly beneficial versus unnecessary. If you're not a subscriber and are listening on a podcast player, you'll only be able to hear a preview of the AMA. If you're a subscriber, you can now listen to this full episode on your private RSS feed or our website at the AMA #84 show notes page. If you are not a subscriber, you can learn more about the subscriber benefits here. We discuss: Topics overview [1:15]; Using family history to assess disease risk: why it matters more than genetic testing and how to analyze it effectively [2:30]; Peter's views that differ from conventional medicine: approaches to cardiovascular risk, cancer screening, nutrition, and more [10:30]; Risk tolerance in health decisions: weighing action versus inaction and avoiding low-benefit, high-risk interventions [16:00]; Why cardiovascular disease persists: delayed treatment, insufficient thresholds, and missed opportunities for early intervention [22:00]; Whether someone can be overweight yet metabolically healthy, and how fat distribution influences