Published July 11, 2015
“Perhaps oddly, ADHD is much more common in some parts of America than in others. The rate of diagnosis in North Carolina, for example, is two-and-a-half times higher than it is in California. One possible explanation, put forward by Stephen Hinshaw and Richard Scheffler in their book, “The ADHD Explosion”, is that much of the marketing budget for Ritalin, the best-known medication for the disorder, was spent on magazine advertising. That matters because more people in the American South than elsewhere subscribe to magazines.”
Read the full Economist article here.