More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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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.
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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Amazing NASA Pictures Collection
Wegener’s Evidence for Continental Drift
Genomic and fossil evidence has been used to estimate the times of divergence of human and Neanderth