Christian Chan says the recent furore over the supposed overuse of stimulants to help children with ADHD may be hypocritical, given the realities of the rat race in a winner-takes-all world A Hong Kong psychiatrist recently said in a Facebook post that some primary school children diagnosed with mild symptoms of attention deficit hyperactive disorder were using prescribed medication – which are essentially stimulants – to enhance their attention and, in turn, their academic performance. He claimed that this was becoming a problem in some schools.