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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Nurses may collaborate with social workers, physicians, and other members of the health care team to Nurses may collaborate with social workers, physicians, and other members of the health care team to
Partially reprogrammed mouse fibroblast expressing GFP Partially reprogrammed mouse fibroblast expressing GFP
Chinese workers on a railway in the far West. “Without them,” Leland Stanford, president of the Cent Chinese workers on a railway in the far West. “Without them,” Leland Stanford, president of the Cent
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Specialized Workers: Soldier Termite Specialized Workers: Soldier Termite
Energy flow in the light-dependent reactions of photosynthesis Energy flow in the light-dependent reactions of photosynthesis
Video: HDL (high density lipoprotein)

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