Top scientists and researchers at the Church of Scientology have proven through lawsuits that ADHD is not really a disease and that Ritalin is really just a form of mind control. Before this, ADHD and ADD were Pfizer's largest source of income in the 90's and early 2000's. It has since fallen out of favor to Asspie Syndrome and lysdexia, which accounts for 70% of Pfizer's profit and 90% of Wikipedia's userbase.