Excessive blood loss. 1  Blood loss from the gastrointestinal (GI) tract is the most common cause of IDA in adult men and postmenopausal women. 2  Blood loss due to menorrhagia is the most common cause of iron deficiency in pre-menopausal women.
The Monroe Doctrine is the best known U.S. policy toward the Western Hemisphere. Buried in a routine annual message delivered to Congress by President James Monroe in December 1823, the doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs.
The last point reaffirmed George Washington's Farewell Address in 1796, in which he urged the United States to avoid entangling alliances; however, the Monroe Doctrine did not represent an isolationist policy. By thus separating Europe from America, Monroe emphasized the existence of distinct American, and specifically U.S., interests.