The PUFFS Research Study is a longitudinal project following young adults (18/19 years old) over a period of four years to see how substance use may impact brain development.
The Tobacco-Cannabis (TOCAN) Research Study was aimed at understanding the effects of substances such as alcohol, tobacco, and cannabis on the brain.
*ENROLLMENT CLOSED*
The ABCD Study is a nationwide, longitudinal study of brain development and child health.