A new study helps clarify the temporal association between marijuana use and psychotic symptoms and shows that the drug can trigger these episodes. Medscape Medical News
Altered brain structure is associated with markers for genes associated with neuropsychiatric disorders in apparently healthy people. Medscape Medical News
In a randomized controlled trial, Tai Chi was associated with decreased pain and improved physical function, self-efficacy, depression, and health-related quality of life for knee osteoarthritis. Medscape Medical News
Pain, posttraumatic stress, and mild traumatic brain injury have similarities that benefit from concurrent rather than independent treatment, say experts. Medscape Medical News