How does gravity shape our internal ecosystems? Spiegel explains the emerging science linking the microbiome, serotonin, and balance. He discusses how microgravity alters gut health in astronauts and why posture could affect digestion and mood on Earth.
Timestamps:
00:59 – Microbiome and balance
03:36 – Microgravity gut effects
06:25 – Serotonin and gravity link
09:10 – Tools for studying gut-gravity
