Hun­dreds of ran­­­dom­ized-con­trolled tri­als clear­ly show that well-con­­­duc­t­ed ADHD med­ica­tion treat­ment sig­nif­i­cant­ly reduces the core ADHD symp­toms of inat­ten­tion, impul­siv­i­ty, and hyper­ac­tiv­i­ty for most diag­nosed indi­vid­u­als. Evi­dence that med­ica­tion sim­i­lar­ly reduces neg­a­tive real-world out­comes over an extend­ed peri­od is more lim­it­ed, how­ev­er, in part because such stud­ies are very dif­fi­cult to con­duct and because a…