Yeah, people with high blood pressure or other cardiovascular issues should be careful using all psychotropic drugs, including psychedelics - some if which are

Yeah, people with high blood pressure or other cardiovascular issues should be careful using all psychotropic drugs, including psychedelics - some if which are 5HT(2B) receptor agonists, and those receptors are expressed on the heart valve. But MDMA has still more dangerous physical effects than LSD/psilocybin.