"The doctor got mad about it and yelled at the PA about wasting resources in front of my friend. When the results came back, ...

The man who strode into a midtown Manhattan office building and killed four people before taking his own life on Monday night ...

After opening fire and killing four people in an office building at 345 Park Ave. on Monday, authorities found a three-page suicide note on the shooter, Shane Tamura, ...

The gunman in the deadly Midtown Manhattan shooting, Shane Tamura, wrote about the brain disease CTE in a note obtained by investigators.

Chronic traumatic encephalopathy, or CTE, is a brain disease linked to repeated hits to the head, often seen in military ...

The gunman in a recent Manhattan shooting claimed he had CTE. Here's what CTE is, plus what the most recent research suggests ...

Former high school football player Shane Tamura claimed to have CTE in a note found after he killed four people in a New York ...

The man who killed at least four people in a N.Y.C. office building shooting claimed in his suicide note to have chronic ...