More people in the U.S. are now smoking marijuana than cigarettes, according to a Gallup poll.
Cigarette use has been trending downward during the past decades, with only 11% of Americans saying they smoke them in a poll conducted July 5 to 26, compared to 45% in the mid-1950s.
Sixteen percent of Americans say they smoke marijuana, with 48% saying they have tried it at some point in their lives. In 1969, only 4% of Americans said they smoked marijuana.
Attitudes around both substances have also shifted dramatically.
Read more at NPR.org