I'm just waiting for the ingrown toenail studies myself...
One arrested planter told sheriff's deputies he was suffering from an ingrown toenail, an excuse that did not impress them. Lucy Mae Tuck, a volunteer who edits the newsletter at the Humboldt Cannabis Center, a co-op that grows the drug for medicinal use, has a physician's certificate to treat her hot flashes with the weed. Since Prop. 215 passed more than two years ago, says Police Chief Brown, "everyone we try to arrest has a recommendation from Dr. Feelgood."
http://www.time.com/time/magazine/article/0,9171,990873,00.html