There are many tools available to check your heart rate, but if you don’t have one, you can still obtain an accurate reading using your pulse and counting in your head or using a stopwatch or timer.

In TODAY.com's Expert Tip of the Day, a cardiologist explains how to slow down a racing heart in times of stress.

A little blue pill is creating a stir in Hollywood – and no, it’s not Viagra. It’s propranolol, a beta blocker originally ...

Apple is expected to introduce the all-new AirPods Pro 3 next month, alongside new iPhone 17 and Apple Watch models. Apple's best earbuds are expected to feature a heart rate sensor, which first made ...

In the early 2000s, Drew persuaded the U.S. military to fund a search for the brain chemicals that trigger hibernation in the squirrels. If she could identify those chemicals, she suggested, she could ...

In this era of fitness trackers, we have easy access to our heart rate at any given moment. Every so often, a number catches ...

A series of low heart rate alerts on her Apple Watch prompted a woman to get treatment — and discover she had an undiagnosed brain tumor that now needs constant monitoring. Apple Watch has an ECG app, ...

With the AI healthcare market forecast to top $800 billion, can Tempus claim just 2.5% of that? It’s possible, especially if ...

When it rains it pours in Dubuque, now the city is rolling out a new $26 million pump with the help of the UI's Hydroscience and Engineering program ...

Atherosclerosis, the gradual hardening and narrowing of arteries, is quietly driving a surge of heart attacks, strokes, and premature deaths in Uganda. Experts now warn that without urgent prevention ...

Kennedy, in announcing cuts to mRNA vaccine research on Aug. 5, 2025, claimed that mRNA vaccines don’t work against ...