Experts Note Need for More Studies on ADHD Use in AdultsMost research on safety issues has been conducted in children, they note THURSDAY, March 23 (HealthDay News) -- While experts applauded a federal panel's recommendation Wednesday to avoid the strongest warning for drugs that treat attention-deficit hyperactivity disorder, official remarks made later about the critical need for research into the cardiac effects of these stimulants on adults also struck a chord. "Longitudinal studies so far have shown in adults minimal changes in blood pressure and pulse, but we need longer-term prospective studies to further document the safety and efficacy of...