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.
Advocates had hoped to make Ohio the latest state to legalize pot for recreational use -- something that has happened in Oregon, Washington, Colorado and Alaska, as well as in Washington, D.C. (Medical marijuana is legal in 24 states and D.C.) Related: Follow other statewide vote results.