In late October of 2021, Jim Colvard of Orlando, Florida was diagnosed with lung adenocarcinoma, the most common primary lung cancer in the United States and the leading cause of death. It has a strong association with smoking and Jim was a smoker. He had a few conventional treatments but he and his wife Dana Beardshear attribute the use of cannabis oil for effectively dealing with the cancer. He has had three scans with "no evidence of disease."