Humans Were Apex Predators for Two Million Years – Our Stone Age Ancestors Mostly Ate Meat

Humans were apex predators for two million years, study finds

Humans were apex predators for two million years

Reduced MC4R signaling alters nociceptive thresholds associated with red hair. This study provides insight on a mechanism which may raise the pain tolerance of humans and mice with red hair, and suggesting new treatment strategies for pain.