This is the website for the project: Cascades of Network Structure and Function: Pathways to Adolescent Substance Use. The project is funded by NIH/NIDA. The principal investigator is Cynthia Lakon (UC Irvine). Other team members are Carter Butts (UC Irvine), John Hipp (UC Irvine), David Timberlake (UC Irvine), Cheng Wang (Cornell University), and graduate researcher Rupa Jose (UC Irvine).