A petition asking the US federal government to allow wider use of medical marijuana has been filed by a pair of US governors.

The current federal classification of marijuana as a Schedule 1 drug means it cannot be prescribed by doctors, putting states that allow medical marijuana use at odds with federal law.
"Sadly, patients must find their way along unfamiliar, uncertain paths to get what their doctors tell them would help -- medical cannabis to relieve their suffering," said a statement by Washington governor Chris Gregoire.
"People weak and sick with cancer, multiple sclerosis, and other diseases and conditions suddenly feel like -- or in fact become -- law breakers."
The US Drug Enforcement Agency considers marijuana to have no medicinal value and the FDA five years ago declined to approve it for medical use.
The Institute of Medicine in 1999 "emphasized that smoked marijuana is a crude drug delivery system that exposes patients to a significant number of harmful substances."
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Other such as the American College of Physicians, the Washington State Medical Association, Washington State Pharmacy, and Rhode Island Medical Society also support a reclassification.
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The FDA and DEA did not immediately answer AFP requests for comment.
The US Supreme court in 2009 struck down a bid to ban marijuana for medical purposes, after two California counties unsuccessfully argued that federal law outlawing marijuana should override Californian state law that permits the use, cultivation and possession of the drug for medical purposes.
The states that allow medical marijuana have passed laws that permit chronically ill patients with a medical prescription to use marijuana as a painkiller, providing they are properly registered.
The drug is typically dispensed from a specialized medical marijuana clinic.
Source-AFP