Most of the genetic evidence regarding addiction to alcohol or other drugs comes from twin and family studies of alcoholism.

Question

Quizplus · Accepted Answer

Twin and family studies have consistently shown that genetic factors play a significant role in the development of alcoholism and other addictions. These studies involve comparing the rates of addiction in twins who share identical genes versus those who share only half of their genes, as well as comparing the rates of addiction in family members who share genetic similarities.

Most of the Genetic Evidence Regarding Addiction to Alcohol or Other