En español
NIDA

Genetics

Brief Description

Why do some people become addicted while others don't? Family studies that include identical twins, fraternal twins, adoptees, and siblings suggest that as much as half of a person’s risk of becoming addicted to nicotine, alcohol, or other drugs depends on his or her genetic makeup. Pinning down the biological basis for this risk is an important avenue of research for scientists trying to solve the problem of drug addiction. Learn more

Related Publications

Other Resources

Past information on many drugs of abuse is available on our Archives site.

Clinical Trials

Clinical trials are research studies in human volunteers conducted to answer specific health questions. Learn about the NIH-sponsored clinical trials available to you.

Other Clinical Trials information sources:

This page was last updated February 2016

Get this Publication

    Cite this article

    NIDA. (2016, February 2). Genetics. Retrieved from https://www.drugabuse.gov/related-topics/genetics

    press ctrl+c to copy
    SAMHSA Treatment Locator