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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

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Vaccines prevent between 2.5 and 4 million deaths every year.

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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

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The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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