Plus, doctors’ number-one pick and their take on the devices.

Petal is a health tracker that fits inside a bra. It monitors the menstrual cycle, heart, and body. It ships in May and pre-orders are now open. Health wearables are becoming increasingly discreet and ...

Your watch says you had three hours of deep sleep. Should you believe it? Millions of people rely on phone apps and wearable devices like rings, smartwatches and sensors to monitor how well they're ...

Explore how wearable technology is transforming health tracking, from monitoring heart rate and sleep patterns to supporting ...

Wearable health devices such as smartwatches and bands are more than fitness trackers. Many also can monitor your cardiovascular health. Some wearables can highlight problems such as irregular heart ...