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.
Recreational legalization begins. 1  2012: Colorado and Washington legalized recreational marijuana for adults 21 years of age or older. 2  2014: Maryland decriminalized cannabis. 3  2014: Utah legalizes CBD oil, becoming the first state to legalize a cannabis-based medicine without legalizing medical cannabis entirely.