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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.