Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Cyanide works by making the human body unable to use oxygen.
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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
General Biology
Two general models for the interconversion of inactive and active forms of a protein during cooperat
Business Math, 10th Edition
General model of the association of histones and DNA to form nucleosomes