Concussions are a common type of mild and temporary brain injury, but signs can last for weeks. A doctor has warned of a quiet symptom that shows you have a brain injury.

Ticks are parasitic arachnids that feed on the blood of mammals, birds, amphibians, and reptiles. They vary in size and ...

Time is of the essence for a Brazilian neuroscientist who wants to study whale and dolphin brains before the brains decompose in the heat.