PNTV - Brain Power by Michael Gelb & Kelly Howell

17 Dec 2025 · 13 min
Episode

17 Dec 2025 · 13 min

0:00

This is a Philosopher's Notes TV podcast episode in which Brian Johnson summarizes and reflects on the book "Brain Power" by Michael Gelb and Kelly Howell, which focuses on how to improve the mind while aging. Johnson highlights five central ideas: adopt a positive, "counterclockwise" orientation to aging; nourish cellular renewal through nutrient-dense food; stay hydrated (brain ~80% water); prioritize rest and recovery; and move—especially exercising in nature. He emphasizes that mindset strongly predicts health and longevity and offers practical, actionable tips.

Questions this episode answers

"Brain Power" by Michael Gelb and Kelly Howell.

50 to 75 trillion cells.

Approximately 100 billion neurons.

About 80% water.

About an eight-year difference in expected lifespan.

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