Neurology

A new study of mild concussions in Canadian adults suggests the risks are even higher for recreational injuries

At a Harvard T. H. Chan School of Public Health forum on diet and health, Walter Willett, chair of the school's nutrition department, talked about benefits and risks associated with antioxidant supplements.

Several recent studies reveal what you say—and how you say it—provide clues about disease

The risk of having a child with autism quadruples for mothers with both conditions, but the reason for connection remains unclear, study says

A new study bolsters evidence that brain structure and mood disorders are genetically passed from mother to daughter

The disease is not normally infectious, but people who received grafts from cadavers did show telltale markers in their brains

Cases are more prevalent but the risk of cognitive decline shows a surprising drop in some countries

New evidence suggests that a chemical derived from marijuana may be an effective treatment for patients with drug-resistant forms of epilepsy

Researchers pinpoint the cerebellum as particularly vulnerable to blast injury

Optogenetics may treat chronic pain and other neurological disorders

The hormone is linked to seasonal relapses

Believing in people’s ability to change can help thwart teen depression, spur workplace creativity and ease political conflict