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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Blood is approximately twice as thick as water because of the cells and other components found in it.