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Vaccines prevent between 2.5 and 4 million deaths every year.
There are approximately 3 million unintended pregnancies in the United States each year.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
The human body produces and destroys 15 million blood cells every second.
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