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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.