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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
The average adult has about 21 square feet of skin.
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.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.