@clacke @VeryBadLlama @ngz0 Regarding whether it is "modern":
"The syndrome we now call ADHD has been described in the medical literature since 1775."
"The World Federation of ADHD International Consensus Statement: 208 Evidence-based conclusions about the disorder" is a scientific review of studies about attention-deficit hyperactivity disorder, published in the September 2021 issue of Neuroscience & Biobehavioral Reviews.