A mother brings her 9-year-old daughter into the pediatrician’s office for a follow-up appointment.

A mother brings her 9-year-old daughter into the pediatrician’s office for a follow-up appointment. The daughter had been diagnosed with attention-deficit hyperactivity disorder (ADHD) last year while repeating second grade. She has been taking methylphenidate (Ritalin) 10 mg twice a Read more