Chronic traumatic encephalopathy, or CTE, is a degenerative brain disease linked to repetitive head trauma. Here's how it ...

As career and technology education becomes more popular among students, schools struggle to fill teaching vacancies.

CTE is a degenerative disease affecting people ... the disease in NHL players has been “isolated” and “doesn’t mean that it necessarily came from playing in the NHL,” he told NPR.

Bettman then added, “There have been isolated cases of players who have played the game (who) have had CTE. But it doesn't mean that it necessarily came from playing in the NHL." Regardless of ...