Former NHL enforcer Chris Simon has died.

Texans rookie quarterback C.J. Stroud was placed under the NFL’s concussion protocol after hitting his head on the turf during Sunday’s game against the New York Jets.

Soccer officials, scientists, medical professionals and others have gathered in Chicago for a head injury summit.

Four more former professional soccer players have been diagnosed with chronic traumatic encephalopathy.

UFC President Dana White is selling slap fighting as the next big thing in combat sport, and the Nevada Athletic Commission has sanctioned the Power Slap League for competitions.

Vivienne Gray doesn’t fit the same profile as former or current professional athletes forced to live with the ongoing effects of concussions.

An attorney for the widow of a former University of Southern California football player has asked a jury to award her more than $50 million in a lawsuit accusing the NCAA with failing to protect her husband from repetitive head trauma.

A Los Angeles jury has heard opening statements in the case of a widow of a former University of Southern California football player suing the NCAA for failing to protect her husband from repetitive head trauma.

Former NFL wide receiver Demaryius Thomas, who died last December at age 33, had CTE, his family said Tuesday.

Researchers have diagnosed chronic traumatic encephalopathy in a Major League Soccer player for the first time.

Researchers have diagnosed former NFL receiver Vincent Jackson as suffering from stage 2 chronic traumatic encephalopathy.

Authorities say an autopsy found unusually severe brain disease in the frontal lobe of the former NFL player accused of fatally shooting six people in Rock Hill, South Carolina before killing himself in April.