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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
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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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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.