American adults have gotten heavier and a sizeable percentage don't live a healthy lifestyle. Young adults and teens seem to be following in those same footsteps.

It's not known what causes the death of brain cells in Alzheimer's disease, but there are plenty of theories. A new explanation suggests it may be caused by an overabundance of blood vessels.

Avoiding medicine unless absolutely necessary is usually advised by doctors when a woman is trying to conceive or in her first trimester. A new study validates that policy.

Patients who receive brain stents after a stroke have a much higher chance of suffering another stroke or dying. Receiving aggressive medical therapy was found to be more than twice as effective.

Smoking is linked to many health issues and yet these risks aren’t enough to motivate some to quit. Family, friends and coworkers might be able to help – ban smoking from work and home.

A parasite spread by deer ticks that can lead to a fatal malaria-like illness is becoming increasingly prevalent, causing concern over the safety of the U.S. blood supply.

U.S. Food and Drug Administration reviewers have warned against immediate approval of rivaroxaban (Xarelto) and questioned effectiveness of the medication for preventing stroke in high-risk atrial fibrillation patients.

Extra weight might not seem like a lot of trouble, but the more weight you add on the more pain you might feel - especially in your lower back. Lose the weight to feel physically better.

Plenty of studies show that making certain lifestyle improvements like exercising and quitting smoking can reduce your risk of diabetes. However, it is unclear how making many lifestyle changes can impact diabetes risk.

Taking an estrogen-blocking medicine after breast cancer surgery is a normal course of treatment for many patients. New research finds this may not be necessary for all women.