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Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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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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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.