All What's You Should Know

USA human experiments - From the 1950s to 1972, mentally disabled children at the Willowbrook State School in Staten Island, New York were intentionally infected with viral hepatitis, for research whose purpose was to help discover a vaccine From 1942 to 1944, the U.S. Chemical Warfare Service conducted experiments which exposed thousands of U.S. military personnel to mustard gas, in order to test the effectiveness of gas masks and protective clothing. From 1950 through 1953, the U.S. Army conducted Operation LAC (Large Area Coverage), spraying chemicals over six cities in the United States and Canada, to test dispersal patterns of chemical weapons. Army records stated that the chemicals which were sprayed on the city of Winnipeg, Manitoba, Canada, included zinc cadmium sulfide, which was not thought to be harmful. A 1997 study by the U.S. National Research Council found that it was sprayed at levels so low as not to be harmful; it said that people were normally exposed to higher level...