Interview: Sitting Kills, Moving Heals with Joan Vernikos

17 Dec 2025 · 43 min
Episode

17 Dec 2025 · 43 min

0:00

Joan Vernikos, former NASA Life Sciences director, explains how prolonged sitting mimics the gravity deprivation astronauts experience in space, causing rapid bone and muscle loss. She argues that frequent short bursts of movement throughout the day, not structured exercise, preserve circulation, balance, and cognition. Standing every 20 to 30 minutes and adding playful activities like jumping can reverse these effects.

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