Research shows that MDMA given together with structured therapy can help some people with hard-to-treat mental health problems. Most evidence and trials focus on post-traumatic stress disorder (PTSD), and many studies report big symptom drops when MDMA is used inside carefully run therapy programs (not as a daily pill) [15063,15135,15086]. Scientists agree the drug is given in a supervised clinical setting with hours of preparation and follow-up therapy. They also agree that safety looks acceptable in these controlled trials, but there are important limits: harms may be underreported, the exact brain mechanisms are not fully known, and trials so far include mostly white participants and are still growing in size and scope [15096,15065,15061,15095,15078].