You're curled up on the couch, finally relaxing after a long day when suddenly, your heart starts racing. You're obviously ...

But the Big Bang theory predicts that about 5% of the universe's contents should be atoms made of protons, neutrons and ...

To maintain heart health, Dr. Obuobi recommends 30 minutes of moderate exercise weekly. Monitoring heart rate is essential, and walking is a great option. To build a healthy heart, in fact, to achieve ...

For most people, it is. Your age and overall health help determine a healthy heart rate. Learn more about the causes and risks of a speedy pulse.

Whoever we are, whatever we’re doing, we have a measurable heart rate. It’s a pretty clear sign of being alive. But what should your heart rate be when exercising? When we exercise, our heart rate ...

A normal resting heart rate for adults ranges from 60 to 100 beats per minute, though individual variation is common. You can lower your heart rate short-term with relaxation techniques like deep ...

Experience the drama "The Normal Heart" as it makes its San Antonio debut. This powerful story of love, loss and activism during the early days of the AIDS crisis runs through Dec. 14. Directed by Tim ...

Your heart rate can tell you a lot about your fitness and cardiovascular health. Your heart beats consistently, day in and day out, but you may not generally pay close attention to it. You might take ...

This article was made possible by the support of Yakult and produced independently by Scientific American’s board of editors. Earlier this year I got an Oura ring to track the state of my health. Soon ...

A major analysis led by the Centro Nacional de Investigaciones Cardiovasculares (CNIC), in collaboration with international institutions, has pooled data from 17,801 myocardial infarction survivors ...

A fast heartbeat can be caused by emotions like stress or anxiety. Dehydration, or drinking caffeine or other stimulants, can make your heart beat fast. More serious conditions like heart arrhythmia ...

Jennifer Choate's pregnancy was uncomplicated — until it wasn't. Two and a half weeks before her March 6, 2025 due date, the 27-year-old went to the emergency room at the University of Maryland ...