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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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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Illicit drug use costs the United States approximately $181 billion every year.
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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.
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