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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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.
People about to have surgery must tell their health care providers about all supplements they take.
Cyanide works by making the human body unable to use oxygen.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.