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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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Blood is approximately twice as thick as water because of the cells and other components found in it.