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.

The obesity epidemic especially afflicts low-income people - who are also less likely to receive good health care. But at least one experimental program offers some positive results.

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.

There has been a steady decline in the number of Americans with coronary heart disease in recent years, yet rates vary by race and ethnicity, and residents of some states have a risk that is more than double other geographic regions.

Working vigorously to reduce cardiovascular deaths, U.S. health officials have announced a national program that partners with private insurance companies to prevent one million heart attacks and strokes over five years.

Moderate lifestyle changes may seem small, but they can provide large returns in better health. Exercising and smoking cessation are among modifiable changes capable of reducing risk of Alzheimer's disease.

A recent editorial in the Canadian Medical Association Journal  states that binge drinking is an excessively common practice in the United States.