Home News ListNews Post The Health Impact of Meth Abuse and Stimulant Use Disorder County Close-Up Share this page Share this page × Copy and paste this code into your website. <a href="http://jacksoncountyor.gov/news_detail_T10_R206.php">Your Link Name</a> Share this page on your favorite Social network Facebook Reddit Close At the May LADPC meeting, guest speaker Dr. Darryl Inaba gave an overview of how psychostimulants and opioids like fentanyl affect the brain and how substance abuse treatment can help reverse those effects.