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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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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Recruitment of Muscle Fiber Type Recruitment of Muscle Fiber Type
The conserved DNA-binding domain in steroid receptors The conserved DNA-binding domain in steroid receptors
Food Sources of Fiber Adults need to consume about 21 to 38 grams of fiber daily Food Sources of Fiber Adults need to consume about 21 to 38 grams of fiber daily
Action Potential in a Ventricular Fiber Action Potential in a Ventricular Fiber
Predicted polypeptide sequences translated from potential ORFs in the human TUBA3C gene Predicted polypeptide sequences translated from potential ORFs in the human TUBA3C gene
Examples of Polypeptide Production from Synthetic mRNAs Examples of Polypeptide Production from Synthetic mRNAs
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