Thyroid conditions may make getting pregnant impossible.
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Excessive alcohol use costs the country approximately $235 billion every year.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
Structure of an antibody molecule
Meiosis Ii
Structure of silk
A general model of the sensorimotor system. Notice its hierarchical structure, functional ...
Structure of a Triglyceride A triglyceride consists of three fatty acids attached to a glycerol back