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.
Tuesday's vote marked the third attempt to legalize recreational marijuana in Alaska, following unsuccessful measures in 2000 and 2004. The state's voters legalized medical marijuana in 1998. Prior to Tuesday's vote, 23 states and the District of Columbia had legalized marijuana for medical purposes, while Colorado and Washington were the only states to allow recreational marijuana use.