Arm bone remains show that Neanderthals were unusually pumped up on male hormones, possibly due to an all-meat diet.

Remains of an early Neanderthal with a super strong arm suggest that Neanderthal fellows were heavily pumped up on male hormones, possessing a hormonal status unlike anything that exists in humans today, according to a recent paper.

Neanderthal males probably evolved their ultra macho ways due to lifestyle, genes, climate and diet factors, suggests the study, published in the journal Archaeology, Ethnology & Anthropology of Eurasia....