Prepregnancy weight might be a more important target for preventing complications than gestational weight gain.

Heart failure death rate is on the rise after years of decline.

Marijuana causes more sperm function defects than tobacco.

High tech tool helps identify breast cancer patients at risk for common surgery side effect.

Out-of-pocket costs for MS drugs soaring.

A new blood test accurately diagnoses chronic fatigue syndrome.

Millions of Americans have used telemedicine services, but how do they like them?

Stressed-out workers with high blood pressure and impaired sleep at high risk of death.

One in 7 drivers with kids in the car have THC in their system.