The new science on how we burn calories.

“Last month, however, a paper published in Science by Pontzer and more than 80 co-authors revealed that much of what we thought we knew about metabolism was wrong. Using previously collected data from more than 6,400 subjects who ranged in age from 8 days to 95 years, and adjusting for body size and the amount of fat and muscle present, they found that our metabolism generally goes through four distinct life phases.” | learn more