There are 60,000 miles of blood vessels in every adult human.
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If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
Skull tooth growth
Rat Brain and Skull
How Cities Develop: Models of Urban Growth
Relationship between Income per Capita and Population Growth