Substance Abuse and Addiction Medical Reference

Too much pornography use may cause personal and professional problems. Can you have a porn addiction?

Drinking too much alcohol regularly can damage your body and your brain. Find out what can happen, and how to get help.

Find out what binge drinking is and how it can affect your health.

Find out the symptoms, complications, and treatment of alcohol poisoning, also known as an alcohol overdose, and learn what to do in an emergency if you think it's happening to someone you're with.

Alcohol use disorder is a progressive disease. Recognizing the symptoms and the stages of the disease can help you, or someone you know, start on the road to recovery.

It’s not just about illegal drugs. Using pain meds, alcohol, and other legal substances the wrong way can also harm your health.

Learn how addiction affects your brain and behavior.

Abusing prescription drugs can lead to addiction. Learn who’s at risk for this problem.

Opioid drugs are a common treatment for back pain, but they come with risks and can be addictive. Learn the risks of these drugs and how to use them safely.

A police officer may ask you to take a breath alcohol test if he believes you have been drinking and driving. But how does it work, and what do the results mean?

This powerful drug is used for pain relief and drug addiction. But it comes with some negative side effects and risks.

Starting your new sober life can be tough, but a plan and the help of supportive friends and family can make it easier.

Learn more about the signs of this issue and how it’s treated.

Find out more about the options for treating alcohol abuse, including detox, therapy, and medication.

If you've got a friend or loved one who drinks heavily, it can be hard to figure out what to do. Start here.

Just because you drink doesn't mean you have alcohol use disorder. Find out how to know if you have it.

From a traffic stop to a health emergency, you might get your blood alcohol level tested for any number of reasons. Find out when you might get one, what to expect, what the results mean, and when you can drive safely and legally.

If you choose to drink alcohol, it’s important to drink in moderation. Understand how heavy drinking can affect your health and when drinking is “risky.”

Learn how recreational marijuana use can affect your health. And find out if it's addictive.

WebMD has the details on popular street drugs, how they impact your body and mind, and how they can affect your health. Learn about newer drugs such as bath salts and flakka as well as those that have been around for decades.

WebMD explains the dangerous and addictive drug crystal meth.

Bloodshot eyes and mood changes are just two of several signs that someone may be abusing drugs. Learn to spot the telltale symptoms.

Naloxone can reverse overdoses from heroin and other painkillers. WebMD explains how this drug works and how it is used to save lives.

Heroin use is on the rise in the U.S. - and so are deaths from heroin overdoses. WebMD tells you what you need to know if you think a family member or friend is using it.

WebMD explains which medications are likely to interact poorly with alcohol - and the special vulnerability of older adults who mix drinking and prescription drugs.