50 years ago, researchers thought Americans outgrew marijuana
Excerpt from the January 29, 1972 issue of Science News
![a lady with grey hair examining some marijuana](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/01/010722_AC_50ya-mj_feat.jpg?fit=1030%2C580&ssl=1)
Over the last 50 years, using marijuana has become more common among adults over age 25.
FatCamera/E+/Getty Images Plus
Excerpt from the January 29, 1972 issue of Science News
Over the last 50 years, using marijuana has become more common among adults over age 25.
FatCamera/E+/Getty Images Plus