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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.