Modern comforts promise ease, yet a growing body of research suggests our bodies are still tuned for a very different world. Instead of thriving, many of us are developing chronic illnesses, fertility ...

Human babies arrive with 100 extra bones for the same reason birth is the most dangerous event in mammalian life. Both facts ...

New research finds the human brain has a built-in pain map that activates in different areas when relieving face, arm or leg pain. But placebo pain relief only works where the brain expects it.