A study on the knowledge related to risky behaviors and condom use among mdma arrestees .
摇头丸犯罪嫌疑人对危险行为的认知与使用保险套行为之探讨。
Mr doblin explains that since the fda insists that psychedelics should be treated like any other drug , " we had to start with a phase I safety study , where the drug is first used on humans-even though millions of people had taken mdma by then . "