Individuals with posttraumatic stress disorder (PTSD) and/or traumatic brain injury (TBI) may benefit from treatment with a drug normally prescribed for treatment of attention-deficit hyperactivity disorder (ADHD), results of a multicenter US study have revealed. The researchers found that methylphenidate (multiple brands) not only improved PTSD symptoms but also depressive and postconcussive symptoms in individuals with PTSD, TBI, or both. The drug also improved cognition