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Did you know?

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

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The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Region of the Search for Extraterrestrial Intelligence Region of the Search for Extraterrestrial Intelligence
Relative Energy Consumption per Person for Selected Countries Relative Energy Consumption per Person for Selected Countries
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Video: Glomerular filtrate rate: pressures that affect GFR, NFP & GFR and blood composition

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