Are you worried your substance use is out of control? No one sets out to become addicted, and no brain malfunction causes addiction. Some substances have been so refined to maximize their rewarding ...

For decades, Americans have been told a simple story about addiction: taking drugs damages the brain—and the earlier in life children start using substances, the more likely they are to progress ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...