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Underage college men discount dangers of driving after marijuana use

The researchers say their findings probably reflect the widespread myth that driving after marijuana use is safe. The researchers suggest that developing strategies to combat this belief could help to change social norms and encourage using a designated driver not only after alcohol use, but after a driver has used any risky substance. Results are not surprising, but this study quantifies the prevalence, which is useful in setting priorities for public health action.
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