Scientists trace the origins of human kissing back over 20 million years to ancient apes who first showed gentle ...

That scratch on your arm, that scrape on your knee - they're taking their sweet time to heal, and it's likely the fault of your fur, or, really, your lack thereof. Testing the speed of skin healing in ...

We are the worst primates when it comes to wound healing, according to a new study. Our wounds heal nearly three times slower than those of chimpanzees, our closest living relatives, and other ...

Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining ...