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Author Question: Evidence from the Israeli kibbutzim suggests that cultures have the ability to define what is ... (Read 78 times) |
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.
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.