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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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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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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.