Mental health issues — namely, attention-deficit/hyperactivity disorder (ADHD) and oppositional defiant disorder (ODD) — in children with cystic fibrosis (CF) may be associated with a poorer adherence to treatments, more hospitalizations, and higher use of antibiotics, according to a recent report. “These initial findings suggest that mental health screening efforts in pediatric CF clinics may need to include ADHD and ODD symptoms,” its scientists wrote.