Paul Armentano: If Pot Prevented Cancer You Would Have Read About It, Right?

Paul Armentano: If Pot Prevented Cancer You Would Have Read About It, Right?: "Writing in the August issue of the journal Cancer Prevention Research, investigators from Rhode Island's Brown University, along with researchers at Boston University, Louisiana State University, and the University of Minnesota reported that lifetime marijuana use is associated with a 'significantly reduced risk' of head and neck squamous cell carcinoma."