Andrew Huberman· PhD
every study in mice in non-human primates and in humans in which MDMA is administered has observed significant increases in blood pressure and heart rate MDMA is after all a psychostimulant it's a sympathomimetic talked about sympathomimetics and what that means in the episode on Adderall and Vyvanse and ADHD but basically it's ramping up the activity of the sympathetic nervous system which is your fight or flight system