What Is Metabolism?: The One-Sentence Answer (Heroic +1 #1,500)

17 Dec 2025 · 0 min
Episode

17 Dec 2025 · 0 min

0:00

This short Heroic Plus One podcast (Brian Johnson) explains metabolism via a one-sentence definition quoted from Dr. Chris Palmer: "the process of turning food into energy or building blocks for growing and maintaining cells, as well as the appropriate and efficient management of waste products." Johnson frames Palmer's central claim that mental disorders are metabolic (brain energy) disorders tied to mitochondrial function. He summarizes Palmer's book structure: Part 1 critiques current mental-health approaches and searches for a common pathway; Part 2 presents the brain energy theory and mitochondria as drivers of metabolism and mental disorders; Part 3 lists nine contributing causes (genetics/epigenetics; neurotransmitters/medications; hormones/metabolic regulators; inflammation; sleep/light/circadian rhythms; food/fasting/gut; drugs/alcohol; physical activity/love; adversity/purpose) and proposes corresponding solutions. The episode ends with an action prompt: one thing the listener could do today to optimize metabolism and a share link to the notes/interview.

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