Harvard Health Content API

People with atrial fibrillation who undergo an ablation procedure may need two or more of the procedures to ease the arrhythmia.

Blood vessel problems can have a significant effect on the health of the brain, including contributing to the development of dementia.

My blood pressure has wide swings each day. It can go as high as 210/110, then fall to 100/50, tiring me. My doctor says I’m just a “reactive person.” My diet is excellent, and I try to keep active. Could my adrenal glands have anything to do with this?

Smarthpone apps assist in keeping track of personal health data, provide general information, offer emergency assistance, and more.

My 61-year-old mother plans to take a long plane trip. Her legs usually become swollen when she flies a long distance. Should she wear elastic stockings or take any other precautions so she doesn’t develop a blood clot in her legs?

According to a Swedish study, the influence of genes on the development of heart disease is stronger than environment.

I had a pacemaker implanted a few months ago. I am planning to join a gym, but I am afraid of damaging the wires with some of the presses and pull-down movements I would have to do to work out. Are there any exercises or movements I should avoid?