Per the American Heart Association, one person in the U.S., every 33 seconds, faces cardiovascular disease. Entering 2026, ...

Smartwatches and wearable heart monitors can help detect issues such as irregular heart rhythms. But they also have limits ...

Federal Reserve Chair Jerome Powell is giving remarks Wednesday afternoon after the nation’s central bank made its final interest rate decision of 2025. The committee responsible for setting borrowing ...

Federal Reserve Chairman Jerome Powell is announcing the board’s decision on whether it will cut interest rates. The announcement is slated to begin at 2:30 p.m. After months of pressure from ...

As mortgage rates fell sharply ahead of the Federal Reserve’s expected — and highly anticipated — rate cut, mortgage demand surged as homeowners rushed to refinance their home loans. More homeowners ...

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 Costco store in Napa, Calif. The chain is due to release earnings on Thursday. (David Paul Morris/Bloomberg News) The Federal Reserve will hold its last rate-setting meeting of 2025 this week. A few ...

The economy has had a volatile year marked by ongoing headwinds and uncertainties. Persistent inflation, unpredictability around tariffs, and a stock market that many fear is in the midst of an ...

A few days ago, we looked into how Apple could one day use brain wave sensors in AirPods to measure sleep quality and even detect seizures. Now, a new paper shows how the company is exploring deeper ...

You might love the motivating tempo for workouts or the cadent call for calm that a smartwatch heart rate monitor provides. But when it’s time for an upgrade, what ...

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 ...