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

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Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

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Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

A Whale shark, the world's largest fish, is classified as Vulnerable. A Whale shark, the world's largest fish, is classified as Vulnerable.
The term wasp is typically defined as any insect of the order Hymenoptera and suborder Apocrita that The term wasp is typically defined as any insect of the order Hymenoptera and suborder Apocrita that
Smallest Microscope Smallest Microscope
The WISC-IV: Sample Items The WISC-IV: Sample Items
These illustrations show Ellen Craft, a slave with and without a disguise. She dressed “as a disting These illustrations show Ellen Craft, a slave with and without a disguise. She dressed “as a disting
How to evaluate the third-order determinant How to evaluate the third-order determinant
Video: Neurosynapse Animation

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