Throughout it all, proponents of medicinal marijuana in California and more than a half dozen other states with similar laws have had little to celebrate.

And, no, this isn't an outlet for medicinal marijuana.

And still others say the need for medicinal marijuana does not exist, that there are better alternatives available.

Even doctors who don't see a widespread need for medicinal marijuana think it should be studied and approved if deemed effective.

Etheridge also discussed using medicinal marijuana while she was receiving the chemotherapy.

He supported Canada's decision to legalize medicinal marijuana in 2001, but added that the changes did not go far enough.

The man all but winked knowingly whenever the subject of medicinal marijuana came up, for instance.

Not all doctors prescribe medicinal marijuana, even in states where it is permitted.

Adapted from research by procon.org Image: The dark green represents states that allow medicinal marijuana.

Eleven states have state laws allowing some uses of medicinal marijuana, even though federal law outlaws the drug.