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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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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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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

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