“…One reason is that many drugs have serious side effects (Levenson, 1981). Neuroleptics have been associated with tardive dyskinesia and adverse effects on learning and performance (Aman & Singh, 1980;Marholin, Touchette, & Stewart, 1979;Sprague, Barnes, & Werry, 1970; Wysocki, Fuqua, Davis, & Breuning, 1981), and stimulant medications can cause insomnia, weight loss, and possible depression of growth rate in children (Walker, 1982).…”