Definitions and Classification of Blood Pressure Levels. Essential, primary, or idiopathic hypertension is defined as high BP in which secondary causes such as renovascular disease, renal failure, pheochromocytoma, aldosteronism, or other causes of secondary hypertension or mendelian forms (monogenic) are not present. Essential hypertension accounts for 95% of all cases of hypertension.
In 1996, California voters passed Proposition 215, making the Golden State the first in the union to allow for the medical use of marijuana. Since then, 22 more states, the District of Columbia and Guam have enacted similar laws.
By Tom Murse. There are two states where marijuana is legal for recreational use and without a prescription from a doctor in the United States. They are Colorado and Washington.Voters in those two states passed measures legalizing the use of marijuana in Election 2012.See Also: Pros and Cons of Marijuana Legalization. Both states had previously allowed the medical use of marijuana. They become the first states in the nation to legalize recreational use of the substance.oters in those two states passed measures legalizing the use of marijuana in Election 2012. See Also: Pros and Cons of Marijuana Legalization. Both states had previously allowed the medical use of marijuana. They become the first states in the nation to legalize recreational use of the substance.