Mykayla Comstock, a 7-year-old girl with leukemia, is one of Oregon's youngest medical marijuana users. Mykayla, who was diagnosed with acute lymphoblastic leukemia last spring, is one of 2,201 cancer patients-- 52 of them children -- authorized to use cannabis by the state, the Oregonian reports. The girl, who calls herself "Brave Mykayla," takes a gram of cannabis oil daily to combat side effects of her chemotherapy, such as nausea, restlessness and loss of appetite, but she says that the pills make her feel "funny." Read More... More on Medical Marijuana