Hunks may be able to attract women by rippling their muscles, but all that He-Man brawn comes at a biological cost, finds a new study.
Skinny men have new reason to celebrate. Well, kind of. Beefcakes may be able to attract women by rippling their muscles, but the downside of all that brawn is a poor immune system and an increased appetite, a new study finds.
Such evolutionary costs could explain why males of our species do not all look like He-Man, according to William Lassek, an evolutionary psychologist at the University of Pittsburgh, Pennsylvania, who led the new study. “In some respects I was surprised at how big the costs were… something I hadn’t anticipated,” he says. Read more