Mal420Xl hit this one right on the mark. All propaganda and not a single verifiable study has ever been cited by a government. It all started in 1894 with The Indian Hemp Drugs Commission Report commissioned by the British. It is a lengthy study of over 3000 pages. America joined in the crusade against hemp in the late 1930's. America's stance on cannabis prohibition is well documented and many web pages are dedicated to information about these early drug czars. The fears and issues that started the whole ball rolling were, racism, greed, ignorance and the desire to legislate your morality to that of those few powerful men. The funny thing is those are pretty much the same things that keep that ball rolling today, albeit a smaller ball now than in a very long time.