Drugs and Alcohol

Find information on alcohol and illegal drugs, caffeine and nicotine, and information on addiction.

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Caffeine effects include an increase in your heart rate and an increased level of alertness. Learn more about some of the different caffeine effects.

You know how some people try to commit suicide by enclosing themselves in a garage with a running vehicle? When you smoke, you're filling your blood with that same deadly chemical -- carbon monoxide.

By Charles W. Bryant

Cocaine is the most commonly abused illicit drug that has severe repercussions on the body. Learn more about the killer effects of cocaine use on the body and mind.

By Jan Garavaglia, M.D.

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Nicotine based drugs are currently under development by pharmaceutical companies. Find out which ailments could be treated with nicotine based drugs.

By Jacob Silverman

In Britain, illegal drugs are ranked as A, B, or C. Class A is supposed to be the most harmful, and Class C is supposed to be the least harmful. A recent study shows that the rankings may be all mixed up.

By Julia Layton

Are major cigarette companies secretly increasing cigarettes' nicotine content? Check out the evidence for an increase in nicotine levels in cigarettes in the last 10 years.

By Julia Layton

The hazards of secondhand smoke have been known for some time, but what we didn’t understand was the true extent of the danger. Learn about the harmful effects of secondhand smoke.

By Alex Nechas

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Think the "hair of the dog that bit you" is your road to salvation? Think again! There is some complicated chemistry going on in the body when you overimbibe.

By Lacy Perry