A new study has found that Americans are using marijuana twice as much as they did a decade ago. Researchers collected data from more than 36,000 people between 2012 and 2013 and posted their findings in the journal JAMA Psychiatry. 9.5 percent admitted to using marijuana, compared to the 4.1 percent of the preceding decade. According to Time Magazine, senior citizens and middle-aged adults were two of the highest rates.
Addiction rates went up as well now being 2.9 percent, which is up from 1.5 percent in the decade previously. A press release interpreted that this number “means nearly 3 of every 10 Americans who used marijuana in the past year had a diagnosis of a marijuana use disorder (approximately 6.8 million Americans).” Those that are affected the most were African Americans and Hispanics.