Johns Hopkins scientists uncovered microscopic “nanotube” channels that neurons use to transfer toxic molecules. While this ...

Scientists are finding microplastics in human brain tissue. Learn what that means for mental and neurological health, and ...

Lead poisoning isn't just a modern phenomenon: fossil teeth show signs that it affected ancient hominids, and Homo sapiens ...

An international study changes the view that exposure to the toxic metal lead is largely a post-industrial phenomenon. The ...