For example, since ?????n? overdose often l??d? to a h??rt ?tt??k, stroke, or ???zur?, to start with r????nd?r? and emergency r??m Medical professionals tr? t? handle the ?v?rd??? b? treating th??? ??nd?t??n?, w?th th? intent ?f:A???rd?ng t? the National Survey on Drug U?? and Wellness (NSDUH), ?????n? u?? h?? r?m??n?d r?l?t?v?l? ?t?bl? ??n?? 2009.