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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.