Unlike our ape cousins, humans require high levels of physical activity to be healthy. Exercise is not optional; it is essential.
SCIENTIFIC AMERICAN ǀ SPECIAL EDITION ǀ FALL 2019
“Exercise that emulates the way we evolved is the most naturally engaging and efficient. Therefore it is more likely to be successful.”
Cathi Lamberti, founder and CEO, SMARTfit Inc.
By Herman Pontzer Illustration by Bryan Christie