The human body can begin repairing the damage caused by smoking as soon as a person quits, even later in life. It really is never too late to quit.

Is it possible that the environment inside a woman's body may sometimes reflect what is going on in her life? How much could severe stress contribute to a stillbirth?

Negative emotions related to body image can weigh heavy on one's heart, but could these factors actually be related to physical weight as well?

Having genes linked to a smoking addiction does not predict a future smoker. Keeping cigarettes away from minors and supporting adults in quitting is what matters.

Having breast cancer surgery is tough for any woman. But recovering from surgery may be a little tougher for women who also have mental health issues.

Energy drinks are full of caffeine and sugar, which can pack quite a kick. But what happens if people drink energy drinks with alcohol? Do people get double buzzed and reckless?

It's still not clear what kind of effects watching too much TV or playing video games can have on children. There are many different factors researchers have to consider.

A cold sore or a slight respiratory infection is just that, right?  An uncomfortable health issue that clears up in a few days? But it may be more complicated than that.

Total hip replacement and smoking cigarettes just don’t mix. That's because smoking can cramp the healing process. Even quitting just before surgery is better than not quitting at all.

The US has one of the highest teen pregnancy rates among developed nations. Understanding the risk factors for teen pregnancy might lead to effective prevention.