LONDON — mulberry bags People who use marijuana before driving are nearly twice as likely to cause a car crash as those not under the influence of alcohol or drugs, according to a Canadian analysis of previous studies. Researchers found drivers who had used marijuana within three hours of beginning to drive had nearly double the risk of causing a collision, especially those that were fatal. Marijuana is the most widely used illegal drug worldwide and rates of its use in drivers are increasing. A 2007 study in Scotland found 15 percent of 537 drivers aged 17 to 39 had used marijuana within 12 hours- mulberry sale . Hall said more research was needed to prove whether roadside drug testing, as introduced in parts of Australia and the U.S., actually prevents more drug-related car accidents. The study was published Friday in the journal, BMJ- mulberry bags for sale
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