Study with more than 36000 subjects suggests nearly one third of users,or 6.8m people, are addicted – but some experts question findingsThe proportion of people who reported smoking marijuana in the United States has doubled over 10 years, and almost one-third of users – 6.8 million people – are addicted,a unique government survey has found.“The principal findings of the study is that the rates of use are going up,” said Deborah Hasin, and lead researcher on the study released by the National Institute on Alcohol Abuse and Alcoholism,part of the National Institutes of Health (NIH). “[Marijuana is] not a totally harmless substance, and there are some risks involved.” Hasin said the takeaway should be that the number of people dependent on marijuana will increase with social acceptance.
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Source: theguardian.com