The more you know about why you smoke, the easier it will be to quit.

The most common reasons include: "Smoking gives me more energy. I smoke to keep from slowing down. I reach for a cigarette when I need a lift. When I'm tired, smoking perks me up."

Smoking has been linked with many serious illnesses. It also has been shown to increase signs of aging.

Everybody knows smoking is bad for your health. Now here's something you may not know: Smoking is bad for your looks. It's true.

Do you have healthy gums? You may kiss them goodbye if you're a smoker.

Secondhand smoke threatens everyone who inhales it, especially kids. Secondhand smoke is not only smoke given off by the burning end of a cigarette, pipe or cigar, but also smoke exhaled by smokers.

One of the major triggers for asthma attacks is cigarette smoke. Cigarette, pipe, or cigar smoke is especially harmful to people with asthma because it damages the cells in the lungs that make the protective coating lining the bronchial tubes.

When people consider the cost of smoking, they usually focus on the cost of the cigarettes alone. But that's only the first step.

“Quitting smoking was just about the toughest thing I’ve ever done,” says S. Epatha Merkerson. “But the struggle was certainly worth it."

Most people realize that cigarettes can cause lung cancer and heart disease. But many people erroneously believe that cigars aren't harmful.

Many people think using smokeless tobacco is safer than smoking. Just because there's no smoke, doesn't mean it's safe.