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.

According to DSM-5, dissociation refers to the “splitting off of clusters of mental contents from conscious awareness.” An everyday example is daydreaming, or the experience of being so absorbed in a ...

Substance use and substance use disorder differ by the frequency of use and the effect on a person’s life. Substance use disorder is a mental health condition. Substance use refers to using both legal ...

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 ...

Chemical Reactions: A chemical reaction is a process where the substances 8unbdergo a change in their chemical composition. The substances that enter the reaction are called reactants that are then ...