Jessica Eastes was a cardiac nurse when she learned she was in heart failure and would need a transplant to survive.

Nikki Gooding, a nurse practitioner, said she had been using an Oura ring -- a smart ring that tracks a person's health ...

Mark Twitchel, an emergency room nurse with a history of fitness and health, recently experienced a heart attack, providing a sobering reminder of the disease's unpredictability. "I've always been ...