Reduced salivary cortisol in children with comorbid Attention deficit hyperactivity disorder and oppositional defiant disorder.
OBJECTIVES: There is growing interest in the role of the hypothalamic-pituitary-adrenal (HPA) axis in neuropsychiatric disorders and there is some evidence that the HPA axis may be underfunctional in behaviorally disturbed children. However, co-morbidity is common in childhood neuropsychiatric disorders. Stimulant medication is widely u.....