The data on the health effects from smoking cigarettes has been clear for decades. Today, tobacco use causes nearly 1 in 5 ...

Katie Donnell’s mother is speaking out about the dangers of energy drinks, calling them “harmful and deadly” in the wake of ...

More people are becoming obsessed with sleep trackers, causing insomnia and making sleep worse, experts say. Here’s how to tell if you have a problem.

A new report has revealed that women are more likely than men to ignore unexplained chest pain and heart issues, as they ...

"So having studies that investigate and demonstrate all the links between cancer and congenital heart defects will help us understand lifelong risks of not only heart defects but also the ...

It's fascinating to know my heart rate, respiration, activity, readiness and stress levels at any moment. Yet it's the sleep data that has me mesmerized — and a bit worried.Why does it say I ...

I’m a lesbian in my mid-20s, and I have been with my partner for about two and a half years now. We are non-monogamous (we date and sleep with other people, but see each other as primary partners), ...