Programmed to pack pounds?
A fat-storing protein that helped our ancestors avoid starvation may today play an outsized role in excess fat storage—in times of plenty.
A fat-storing protein that helped our ancestors avoid starvation may today play an outsized role in excess fat storage—in times of plenty.
Archaeology and modern medicine team discover that women's arm bones aren't nearly as big today as they were 7,000 years ago.
Study finds natural selection still happening, with gene variants linked to Alzheimer's, smoking fading.