Show notes:
(0:00) Intro
(0:45) How Dr. Spiegel became interested in gravity and human health
(2:46) Why the human body is designed to fight gravity
(5:14) Serotonin, gut health, and the "anti-gravity" diet
(8:23) Gravity, depression, mood, and feeling physically "down"
(11:41) Why modern sedentary life works against the body
(...