Before ringing in the new decade, a quick look back at the blog’s most read stories of the year.

Your heart does a lot of work to keep the body going.

The minimally invasive procedure to fix “short circuits” in his heart has restored a U-M professor’s confidence in living an active life.

An inflammation of the heart muscle, myocarditis can be life-threatening if not treated in time. One young survivor shares his story.

A teen’s athletic pursuits came to a halt after a frightening diagnosis.