Some of the biggest killers worldwide are diseases that can largely be prevented: heart disease, chronic respiratory disease, cancers and diabetes. But it will require some effort.

Fifty years ago, the US Surgeon General first warned of the dangerous effects of smoking. On the anniversary of that announcement, the current Surgeon General has released new data.

It's well understood that women should not smoke while pregnant. Yet some women find it difficult to quit. Knowing some of the long-term effects may offer an extra motivational boost.

Smoking is a known health hazard for pregnancies. But being exposed to smoke in utero may follow a baby girl into her own pregnancy when she grows up.

While the exact cause of rheumatoid arthritis remains unknown, scientists are getting a better idea of what puts people at risk for this painful disease. It seems lifestyle may have a lot to do with that risk.

Many Americans may enjoy drinking on New Year's Eve, but they don't top the charts. In fact, the US is not even among the 25 "drunkest" countries in world alcohol consumption rates.

Twenty years ago, infectious disease in children was the highest risk factor for death and disability in the world. Today, it’s low-nutrient, high sodium diets, alcohol and tobacco.

Marijuana is often thought of as a drug that causes relatively little harm compared to other street drugs. But that may not be the case if you're carrying a little one to term.

Avoiding restaurants because of your diet? A new study says you may not have to if you make smart, "mindful" choices.

Hypertension, diabetes and smoking  are known to increase your chances for stroke. A new study shows they can also be factors in developing cognitive problems later in life, even among patients who have never experienced a stroke.