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.
A citizen of the United States is an . American . United States, American and U.S. refer to the country adjectivally (American values, U.S. forces).  American  rarely refers to subjects not connected with the United States.