A diagnosis of chronic obstructive pulmonary disease ( COPD ) often is the end result of a lifetime of smoking. So should  COPD patients want to get a checkup for lung cancer as well?

Smoking is bad for everyone, but for people with compromised immune systems like HIV patients—it’s even worse. Smoking cessation can improve HIV treatment plans.

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.

Veggies are good for the body. Smoking is bad. Most people have these facts down by now, but do they know how good and how bad? A math professor has simplified a way to look at how habits add or take away years of life.

Holidays are rife with temptations, especially in the form of alcohol. It can be tempting for alcoholics to break a sobriety streak when everyone else is celebrating.

Diet soda can help cut the calories in cocktails, but can also put a person over the legal alcohol limit without them ever knowing it. Yes, regular and diet soda do affect the body differently.

Binge eating may be a predictor of marijuana and other drug use and depression. The good news is binge eating can be successfully treated.

The debate about whether behavioral problems can be caused when minors have the occasional sip of alcohol continues. The tipping point may be the first time teens get drunk, and not when they have their first drink.

Fear of weight gain is a common excuse given by many people as a reason why they don't want to quit smoking. But quitting smoking is vital for a healthy future. Maybe a drug used for alcoholism treatment can help?

Originally designed for men, Alcoholics Anonymous (AA) now welcomes women. But does successful abstinence from drinking through AA differ for men and women?