One in eight US adults says they smoke marijuana, poll says

A study shows that 13% of American adults reported current marijuana use in a new Gallup survey States' willingness to legalize marijuana might contribute to rise in use.

poll says,  the percentage of American adults who say they smoke weed has nearly doubled in three years, according to a new Gallup poll.

Among those who participated in the survey, one in eight -- 13%
-- reported current marijuana use, and 43% said they have tried
the drug, an increase from 38% in 2013. The percentage of pot
smokers was 7% in the 2013 Gallup survey.