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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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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.