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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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
