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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There are more bacteria in your mouth than there are people in the world.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.
human nervous system
How to manually find the mean, variance, and standard deviation for a set of numbers
Overview of lymphatic system structures and the general direction of lymph flow from the extremities ...