Substance use disorder (SUD) affects a person’s ability to control their use of alcohol or drugs. SUD can affect various areas of a person’s life, such as work, school, or family responsibilities.

At-home drug tests are urine or saliva tests that can identify if illegal or prescriptions drugs are present in your body. These tests are an alternative to going in person to a laboratory or other ...

Pure and Mixed Substances: In the world of chemistry, substances are broadly classified into two fundamental categories: pure and mixed substances. Understanding these distinctions is crucial as they ...

Addiction is a disease that affects your brain, body, and behavior. It can make it hard to stop using a substance, even when it starts to cause problems in your life. The sooner you get help for ...

The authors review the current regulatory framework for the selection of drug substance starting materials. The term starting material has been adopted to indicate the point where regulatory change ...