The utility of cannabinoids to treat most medical conditions remains uncertain at best, but for at least three indications the data lean in favor of effectiveness, Ellie Grossman, MD, MPH, told attendees recently at the 2024 American College of Physicians Internal Medicine. Those are neuropathic pain , chemotherapy-induced nausea or vomiting, and spasticity in people with multiple sclerosis , said Grossman, an instructor at Harvard Medical School in Boston, Massachusetts, and medical director fo...