Most adults who drink alcohol are moderate drinkers and are at low risk for alcohol dependence. If you're concerned about drinking use this tool to find out if you have a problem.

Drinking can be an expensive habit. While you may not notice a dollar here or two dollars there, consider how much you spend per week and per year on alcohol.

This questionnaire can help you find out how likely you are to have depression.

Too much stress can affect both your emotional and physical health. This assessment will help you identify your life "stressors."

Sometimes, people who abuse drugs aren't aware they have a problem. This assessment is for people who regularly use drugs and wonder if they have issues with abuse or addiction.

Recognizing the symptoms of stress in your life is one step toward managing it. This assessment will help you learn your particular stress symptoms.

Addiction to drugs or alcohol can happen to anyone of any age, social status, race, or income level. Find out more by taking this quiz.

Each year, about 100,000 deaths in the United States are related to alcohol consumption. Learn more about the effects of abusing alcohol by taking this quiz.

Autism is a developmental disability that usually starts in early childhood. Because different children can have widely different symptoms, autism is classified as a "spectrum disorder," which means it is a group of disorders with similar features.

Answer this one: Depression peaks at certain life stages. People in which group are likely to experience it most often?

A surprisingly large number of American teenagers experiment with intoxicating inhalants, resulting in an untold number of deaths. Find out more about inhalant abuse by taking this quiz.

Older adults often suffer from depression needlessly because they fail to recognize its signs or are reluctant to talk with their doctor about it.

Knowing about marijuana can help you recognize its use in others, so you can encourage them to seek treatment. Marijuana contains the flowers, stems, seeds, and leaves of the hemp plant Cannabis sativa. To learn more about marijuana, take this quiz.