Marijuana not a gateway drug

A 12-year study has been published by the University of Pittsburgh has concluded that marijuana doesn't lead to other drugs. The findings support the "common liability model" which is basically that people take what they're exposed to and what is most easily available to them. In fact, in a lot of the people studied, marijuana use stopped once they were of legal age to buy alcohol.

A study by Dr Robert Heath from the University of Bath on advertising has concluded that a TV advertisement's success is determined only by it's emotional content and creativity, not by information. So for instance an ad for the Renault Clio was a big success even though it contained nearly no information about the car itself.

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