White House expert: Pot is dangerous :
"A White House official on Wednesday testified to marijuana's dangers during the second hearing of a bill that aims to criminalize Alaskans' possession of more than an ounce of the drug.
Researcher David Murray of the White House's Office on National Drug Control Policy told a Senate committee that marijuana users develop serious cases of psychosis and other problems from inhaling doses of carcinogenic chemicals.
'This is a dirty, dirty drug,' Murray said.
Relax dude. Seriously...