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.
Recreational use of marijuana (also called cannabis) is illegal under California law. It is likely that a legalization initiative, probably the Control, Regulate and Tax Adult Use of Marijuana Initiative, will be on the ballot November 2016, with a good chance of passage. Medical use, however, has been legal since Proposition 215, the âCompassionate Use Act,â passed in 1996 (Cal. Health & Safety (H&S) Â§ 11362.5). In 2003, Senate Bill 420 (Cal. H&S Â§ 11362.7 et. seq.) created a system of optional medical marijuana ID cards (Cal.