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.
A bill by the Washington, D.C. council was not overruled by Congress. Medical cannabis became legal on Jan. 1, 2011. Dispensaries have begun opening and cultivation centers are in process to be permitted. The DC council has also reduced penalties for possession of 1 oz. of marijuana to a $25 civil fine without jail.