The data comes from a wide-ranging new survey on how and why people use marijuana in the U.S.
Many marijuana users hide their stash in their closets. Most people who use marijuana are parents. There are almost as many marijuana users as there are cigarette smokers in the U.S.
Those facts and many more are among the conclusions of new survey from Yahoo News and Marist University, which illustrates how pot has become a part of everyday life for millions of Americans. Here are 11 charts that explain how and why.
