It represents the time from the end of ventricular depolarization to the start of ventricular repolarization. ST elevation may indicate myocardial infarction or pericarditis. ST depression may indicate ischaemia.
Marijuana has been illegal for less than 1% of the time that itâs been in use. Its known uses go back further than 7,000 B.C. and it was legal as recently as when Ronald Reagan was a boy.The marijuana (hemp) plant, of course, has an incredible number of uses.arijuana has been illegal for less than 1% of the time that itâs been in use. Its known uses go back further than 7,000 B.C. and it was legal as recently as when Ronald Reagan was a boy.
Nevadaâs famous Las Vegas âSin Cityâ is known for its tolerance of taboo activities, and now they can add recreational marijuana to their list of vices available in the city! Medicinal cannabis was legalized on November 7th, 2000, but the first medical marijuana dispensaries were not opened until the summer of 2015.