'How much does it hurt?' For preschoolers, cognitive development can limit ability to rate pain

(Wolters Kluwer Health) 'Rate your pain on a scale of zero to ten' -- for most adults and older children, it's a simple concept. But preschool-aged children generally lack the cognitive skills needed to make reliable pain ratings, according to an article in PAIN, the official publication of the International Association for the Study of Pain. The journal is published by Wolters Kluwer.