"Could teens today really be faking ADHD to get into college?"

"The FDA is now reporting that… the shortage is easing in some parts of the country. Pharmaceutical company Shire says there is 'adequate' availability of the brand-name version of Adderall, but generic versions remain in short supply. Drug manufacturer Mallinckrodt says it’s name-brand ADHD drug, Methylin, 'will be increasingly available as supply recovery continues.' This affects both the immediate- and extended-release versions of Methylin. But other ADHD drugs will remain in short supply for the first part of 2012."

Has Science figured out the reason for attention-deficit disorder? Until now, attention-deficit/hyperactivity disorder (ADHD) was related to alterations in the brain affecting attention and cognitive processes. Spanish researchers at Universitat Autňnoma de Barcelona and the Vall d'Hebron University Hospital for the first time have discovered anomalies in the brain's reward system related to the neural circuits of motivation and gratification. In children with ADHD, the degree of motivation when carrying out an activity is related to the immediacy with which the objectives of the activity are met. This would explain why their attention and hyperactivity levels differ depending on the tasks being carried out.

So if I read [...]