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Did you know?
The average adult has about 21 square feet of skin.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.
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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.