Although many narcotic drugs and medications have similar effects or characteristics, each substance is unique. Here are some common examples. From codeine to heroin, there are many narcotic ...

Medically reviewed by Michael MacIntyre, MD Key Takeaways Substance use disorder makes it hard to stop using substances even when they're harmful.Using the term "substance use disorder" helps separate ...

The terms “addiction” and “dependence” can seem similar, but they are different. Dependence occurs when the body physically relies on a drug. Addiction involves changes in behavior. A person with an ...