Problem:
A recent longitudinal study assessing the two-year safety of methylphenidate (MPH) in youth aged 6 to 17 years with attention deficit hyperactivity disorder (ADHD) reported that: Looking for Course Help? A. MPH did not adversely affect height velocity at 6, 12, or 24 months B. MPH did not adversely affect blood pressure at 6, 12, or 24 months C. MPH increased the risk of psychosis-like symptoms D. MPH increased the risk of substance use