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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

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Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

The Punnett square of a dihybrid cross demonstrates Mendel’s law of independent assortment. The Punnett square of a dihybrid cross demonstrates Mendel’s law of independent assortment.
In the Tai Forest a female chimp demonstrates a skill once thought to be unique to humans. Here she In the Tai Forest a female chimp demonstrates a skill once thought to be unique to humans. Here she
Identification of Nonverbal Vocal Expressions of Emotions in a Different Culture Identification of Nonverbal Vocal Expressions of Emotions in a Different Culture
Hand signals are an effective emergency backup to ra- dio communication systems. Shown are several ... Hand signals are an effective emergency backup to ra- dio communication systems. Shown are several ...
El Niño demonstrates the atmosphere-ocean connection El Niño demonstrates the atmosphere-ocean connection
Foundations of American Education: Becoming Effective Teachers in Challenging Times Foundations of American Education: Becoming Effective Teachers in Challenging Times
Video: Congenital Heart Defects Animation

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