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Did you know?
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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People about to have surgery must tell their health care providers about all supplements they take.
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Blood is approximately twice as thick as water because of the cells and other components found in it.