Home › Forums › EBP & Related Research Findings › Impact on Substance Use This topic contains 0 replies, has 1 voice, and was last updated by jichill June 20 , 2018. Viewing 1 post (of 1 total) Author Posts Print PDF | June 20, 2018 at 3:59 pm Reply jichillParticipant Hi. Has any research been done into the impact the Carey Guides/BITS has on reducing use of alcohol, tobacco, and/or other drugs? Thanks. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.