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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Blood is approximately twice as thick as water because of the cells and other components found in it.