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Vaccines prevent between 2.5 and 4 million deaths every year.
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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%