Thom Hartmann spoke about this study on April 3rd show 2009 look at this journal study:
J. Clin. Invest. doi:10.1172/JCI37948.
Copyright © 2009, The American Society for Clinical Investigation
Cannabinoid action induces autophagy-mediated cell death through stimulation of ER stress in human glioma cells-
in other words, cannibus can shrink tumors and ceased tumors in two humans this study.