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.
The acts made a first-time cannabis possession offense a minimum of two to ten years with a fine up to $20,000; however in 1970 the United States Congress repealed mandatory penalties for cannabis offenses.he Marijuana Tax Act of 1937 effectively made possession or transfer of cannabis illegal throughout the United States under federal law, excluding medical and industrial uses, through imposition of an excise tax on all sales of hemp.