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Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

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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.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

This painting depicts New Orleans in 1803, when the city was acquired—along with much of the modern This painting depicts New Orleans in 1803, when the city was acquired—along with much of the modern
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Video: Biological organic compounds

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