What is HRV? What the smartwatch and Oura ring metric can really tell you about your health

It might be time to start listening to your heart. In recent years, millions of Americans have incorporated wearable health ...

U.S. life expectancy hits a new high, as deaths from overdoses and COVID fall

An American born in 2024 can expect to live to be 79, on average. But people in other wealthy countries can expect to live longer.