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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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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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There are more sensory neurons in the tongue than in any other part of the body.
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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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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.