While there may be medical value in some of the individual components of the cannabis plant, the fact remains that smoking marijuana is an inefficient and harmful method for delivering the constituent elements that have or may have medicinal value.

WHITEHOUSE: Strengthen Efforts to Prevent Drug Use in Our Communities

Colorado already has intensive rules aimed at keeping its medical marijuana market in line, including the digital tracking of cannabis, bar codes on every plant, surveillance video and manifests of all legal pot shipments.

NPR: Wash. Vows To Try To Keep Weed In State _ But How?