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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.