On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Exponential Growth Question
Just a fun question!
economic question
economic question
Light Blue Eye Color
Allelic series for coat-color determination in mammals