Hippies often did the same thing.  It&#x27;s pretty dumb to just throw compounds in your body without having a guestimate about their effects.<p>In the future, medical clinicians won&#x27;t have to guess as much because adult stem cells can now be created from red blood cells, allowing personalized medication with a petri model of actual patient tissue, to screen problems like interactions and allergies <i>before</i> administration.