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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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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.