Did Ritalin make kids in Quebec dumber?

ADHD meds like Ritalin, Adderall, Concerta, and Vyvanse have been called “smart pills” for their ability to bestow superhuman powers of concentration. In the U.S. especially, where about 11 percent of schoolchildren have an ADHD diagnosis, parents and teachers embrace the drugs as a way to get kids to sit still and pay attention.
Which makes it all the stranger that there has never been proof that ADHD meds make you smarter or more likely to succeed in school. And a new study that looks at the rise of Ritalin use in Quebec suggests exactly the opposite.
Further reading