There’s a lot of confusion around words like “tolerance,” “dependence,” and “addiction.” Sometimes people use them interchangeably. However, they have very different definitions. Let’s look at what ...

Addiction is a long-term brain disease. When addiction is related to drugs or alcohol, the condition is also called a substance use disorder. Addiction has no cure, but it can be managed with ...

Whether the substance involved is crack cocaine or alcohol or a behavior such as gambling, the common denominator of all addictions is continued use despite the development of negative ...

There are many theories about the causes of addiction, the use and abuse of legal and illegal psychoactive substances. Biology, psychology, and social and cultural elements all play a role in the ...

Addiction is a complex disease, but nearly a century of scientific study has helped researchers come to a deeper understanding about how it works. This research has culminated in an important change ...