HealthThe real reason why we lost the ability to make vitamin C The textbooks say our ancestors lost the ability to make vitamin C because we didn't need it, but the loss may have protected us from some parasites 51¶¯Âþ
HumansA Neanderthal-shaped skull may explain why some people get headaches People with Chiari malformations have a skull shape similar to Neanderthals, suggesting that the condition may be caused by DNA inherited from archaic humans 51¶¯Âþ