Deciding whether to drink is a personal decision that we each eventually have to make. Get the facts about alcohol.

The definition of binge drinking in the United States is the consumption of five or more drinks in a row by men – or four or more drinks in a row by women – at least once in the previous two weeks. Surprised? Find out more.

Alcoholism causes anguish not only for the person who drinks, but for everyone who is involved with that person. But there are things you can do to help cope with the problems alcoholism creates in families.

Amphetamines are stimulants that speed up brain and body functions. Find out how these drugs can affect you in this article for teens.

Will using steroids transform you into the most powerful athlete your coach has ever seen? Read this article to learn the facts on steroid use.

Bath salts are powerful stimulant drugs that increase brain and central nervous system activity. Find out how they can affect you in this article for teens.

Caffeine has probably helped you through long nights of studying or filling out college applications. But how much do you know about caffeine and its side effects?

Cocaine is a powerful and highly addictive stimulant drug. Find out more about cocaine and its effects.

The DXM in cough and cold medicines can cause feelings like out-of-body sensations. But even though these medicines are sold over the counter, there are serious health risks of taking too much. Find out more in this article for teens.

Taken medically, depressants help people get through problems like anxiety. But when used as a recreational drug, they can cause problems and affect some of the body's vital functions. Find out more.

It's not hard to find drugs, and sometimes it may seem like everyone's doing them or wanting you to do them. But there are downsides (and dangers) to taking drugs.

GHB is an illegal drug that slows down some of the processes in the brain and central nervous system. Because it causes memory loss and is easily slipped into drinks, it's known as a "date rape" drug.

The hepatitis C virus (HCV) spreads through blood or other body fluids, and can lead to cirrhosis or liver cancer. The most common way people become infected is by sharing drug paraphernalia.

Heroin is a highly addictive drug made from the seed pod of the opium poppy plant. Learn more about heroin and its effects in this article for teens.

Household products are safe for cleaning, painting, and the other things they're meant to do. But as inhalants, they can cause serious problems, even death.

Ketamine is a fast-acting and powerful anesthetic that is often used as a date rape drug. Find out more in this article for teens.

LSD is a chemical made from a type of fungus. Learn about its effects in this article for teens.

You've probably heard a lot of conflicting information about marijuana. Here's what recent research has found.

Find out how the drug Ecstasy can affect someone who uses it.

Meth is a powerful stimulant drug that's extremely addictive and destructive. Find out how it works and why it's smart to avoid it.

Some kinds of mushrooms are considered illegal drugs because they contain substances that cause people to hallucinate. Find out more about hallucinogenic mushrooms in this article for teens.

PCP use is pretty rare these days, mostly because of the drug's scary side effects. Find out more about the drug phencyclidine in this article for teens.

There are many downsides to experimenting with prescription drugs. Find out more in this article for teens.

Rohypnol is a powerful sedative that has a reputation as a "date rape" drug. Find out more about it in this article for teens.

There are many types of salvia plants. One, salvia divinorum, has a substance that can cause psychedelic experiences. Learn more about salvia in this article for teens.

Some people use certain medicines without a prescription because they think these meds help with focus and concentration. If you've heard of "study drugs" and wonder if there are any risks, find out in this article for teens.

Opioids are very good at controlling pain, but there are risks to taking them. If you've been prescribed a medicine that contains an opioid, find out how to use it safely.

Here are 5 practical tips on goal setting that can help make it easier to set and reach goals.

Find out what you can do if you think you or a friend has a drug or alcohol addiction - from recognizing the warning signs to suggestions to help you stay clean.

Often the only way to know if someone is infected with HIV is through testing. Here are the facts on what's involved in getting tested — and who should get tested for HIV and why.

Nearly 1 in 5 deaths in the United States is related to tobacco. Are you ready to kick the habit?

Experts now know that breathing in someone else's secondhand smoke is bad for you. Find out what you can do about it.

Chewing or dipping: These terms are familiar to the millions of teens who use smokeless tobacco. If you're ready to quit or you want to learn more about smokeless tobacco, read this article.

Smoking is on the decline, but some people are still lighting up. Why? The answer is addiction. Find out more in this article for teens.

Find out why smoking is a bad idea - especially for people with asthma.

E-cigarettes (or “vape pens”) heat a liquid until it becomes a vapor that's inhaled. Vape juice can contain nicotine or marijuana distillate or oil. Here are the facts on vaping and its many health risks.