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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
There are more nerve cells in one human brain than there are stars in the Milky Way.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Women are 50% to 75% more likely than men to experience an adverse drug reaction.
There are approximately 3 million unintended pregnancies in the United States each year.
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