More than 90 percent of people with Alzheimer’s have the sporadic, or noninherited, form. A new model-in-a-dish points to causes and possible treatments.

It's a leading cause of sudden cardiac death in young people and athletes. Scientists have now identified the molecular dysfunction that drives the disease.

As NFL players transition from the roster to life off the field, how does their new social environment affect their health?

Rumbidzai Mushavi is driven by her awareness that the world-class medical care she is being trained to deliver is often inaccessible in her home country of Zimbabwe.