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Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.