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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: J Adolesc Health. 2016 Aug 11;59(4):450–456. doi: 10.1016/j.jadohealth.2016.07.004

Figure 1.

Figure 1

Change in approval of marijuana use and perceived harm of regular use from age 10 to 39. Prevalence of “yes” responses at age 39 was significantly different from age 33 at p < .05 for each line. mj = marijuana.