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.
From 1937, when Ansligner s official War on Marijuana began, through 1947, the government spent a whopping $270 million fighting marijuana, a drug proven scientifically to be virtually harmless. In 1948 Anslinger went to Congress for money for more drug enforcement agents.tarting in 1914, local laws began popping up criminalizing marijuana often not so much as a way of controlling pot usage as it was a way of controlling Mexicans. One Texas state senator said on the floor of the senate, All Mexicans are crazy and this stuff [marijuana] is what makes them crazy.