Seeking Reassurance on MDMA’s Safety for PTSD Treatment: Personal Experiences and Research Needed

I have previously completed three MDMA sessions (120mg followed by 80mg) about 2-3 years ago. These sessions were beneficial in helping me address PTSD, particularly related to guilt and shame from family-related trauma. However, I stopped after learning about potential risks, including concerns about brain toxicity and damage. I’m now considering doing a few more sessions this year but would appreciate some reassurance. Based on research or personal experience, can anyone confirm whether MDMA is truly as harmful to the brain as some sources suggest? Any insights would be greatly valued.