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Did you know?

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.

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

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

(A) The nine regions of the abdominopelvic cavity. (B) The four regions of the abdomen, which are re (A) The nine regions of the abdominopelvic cavity. (B) The four regions of the abdomen, which are re
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Video: Olfaction. or the sense of smell

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