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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
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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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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.