Why Do Men Still Have Beards If Humans Lost All Their Fur?

Humans have almost the same number of hair follicles as a chimpanzee — so why did we lose nearly all our body hair, except for one very specific patch on the face? In this video, we break down two competing evolutionary forces: the thermoregulation theory that explains why early humans lost body hair to survive as persistence hunters, and the sexual selection theory that explains why facial hair stuck around as a visible signal of testosterone, dominance, and status. 🔔 Subscribe for weekly deep dives into human evolution and ancient life. #humanevolution #ancienthumans #beards #anthropology #evolutionarybiology human evolution, ancient humans, why do men have beards, body hair evolution, human hair loss evolution, facial hair evolution, sexual selection theory, Charles Darwin evolution, testosterone beard, evolutionary biology, anthropology facts, human ancestors, persistence hunting, thermoregulation humans, Nina Jablonski, hair follicles humans chimpanzee, why did humans lose fur, prehistoric humans, human biology facts, evolutionary psychology, ancient human survival, human origins, Barnaby Dixson beard study, beard science, mating selection humans, primate hair loss, human sweat glands evolution, hominid evolution, science explained, PrimalMindTV