A cardiologist explains what research shows about the accuracy of wrist-worn heart monitors.
If you’ve ever felt as though your heart is beating too fast, you know it can be scary. But these sensations don’t automatically signal something serious
If you’re an athlete, there’s one muscle that can become too big: your heart. Sure, it sounds counterintuitive. The purpose of training, after all, is to grow and strengthen your muscles. Doesn’t a strong heart fuel athletic performance? In most cases, yes. In general, it’s completely normal and healthy for your heart to adapt to … Read More