Fig. 1.
Evolution of weekly drug consumers from 1 January 2015 to 28 February 2021, according to age group and drug considered.
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.