People who smoke cigarettes:

People who use methamphetamine, cocaine, or other stimulants:

Contact SMarohnic@mednet.ucla.edu to find out if there are studies you are eligible for.

People who use cannabis:

Contact cannabislab@mednet.ucla.edu to find out if there are studies you are eligible for.

Anyone interested in participating in research (regardless of substance use) can check out https://www.uclahealth.org/clinical-trials to be matched to other research studies.