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Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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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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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.