Itâs not to say that a vitamin D supplement will prevent Alzheimerâs but considering that around 90% of Alzheimerâs disease patients have low levels of vitamin D, researchers are examining the role of this nutrient. A recent study showed the effects of vitamin D on Alzheimerâs occurrence in elderly women.
Citizens United is a conservative non-profit organization in the United States. Its president and chairman is David Bossie. It is best known for the U.S. Supreme Court case on campaign finance Citizens United v. FEC.
Confidence votes 149. The United States is a federal republic, and operates under a form of representative democracy whereby people are elected to represent the will of their respective home regions (rather than a direct democracy where decisions are put to a vote of the citizenry). The United States is often called a representative democracy, and a democratic republic. The United States is certainly not a pure democracy.