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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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Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).
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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
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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.
Animal extinctions and human population growth.
Here are images of live zebrafish that were studied for genetics and head size to give insight into
View of the bottom surface of the human brain.
Marginal Products of Physical and Human Capital
Share of Human Capital in Wages in Advanced Countries
Staphylococcus epidermidis, a common colonizer of human skin.