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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

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The average office desk has 400 times more bacteria on it than a toilet.

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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.

The Saltwater Crocodile is the largest species of crocodile in the world. The Saltwater Crocodile is the largest species of crocodile in the world.
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Video: Energy Flow - Trophic Levels and Food

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