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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Your heart beats over 36 million times a year.
Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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