As a weekend heat wave that put more than 15 million Americans in the Northern and Central Plains on alert slowly moves east, the nation's emergency doctors have advice to keep you safe.
The football gridiron and the boxing ring have come to be understood as danger zones for the brain, with repetitive hits to the head causing long-term damage to some athletes.
College athletes who contract COVID-19 and return to playing sports have a low risk of developing life-threatening heart problems, according to new research that suggests stringent cardiac testing isn't necessary.
