ADHD became a phenomenon 2 decades ago, and as of 2019 it was estimated to affect 84.7 million people globally. Methylphenidates, such as Ritalin, are one of the most prescribed drugs in the medical industry and over 16 percent of college students have taken methylphenidates for recreational purposes. Are we really treating this disorder the way we should? Spoiler - no. OK MUM - Season 1, Episode 5: ADHD Drugs. By Magical Unicorn Madness