Once the drug of choice for hippies and rebellious teens, marijuana in recent years has gained more mainstream acceptance for its ability to boost appetite, dull pain and reduce seizures in everyone from epilepsy to cancer patients. Kari Boiter, 33, continues to get medical marijuana however she can. Boiter has a genetic disorder that causes pain, nausea and vomiting, and she uses marijuana she helps grow in a cooperative garden to control the symptoms. Kari Boiter, who lives in Tacoma, Washington, and is unemployed, said sheamp;rsquo;d have to go back to largely ineffective prescriptions, or do without treatment if the cooperative went away.