Illicit drug use costs the United States approximately $181 billion every year.
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There are 60,000 miles of blood vessels in every adult human.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
A phylogenetic tree of all living things
The More Things Change, The More They Say the Same: Dividing the Nation's Income
Extrinsic and intrinsic signaling pathways leading to apoptosis