Figure 2. Age-Specific Cumulative Incidence of Drug Use by Birth Cohort.
Pooled (weighted) data from the WMHSs (n = 54,068).
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.