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The horizontal fraction bar was introduced by the Arabs.

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

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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.

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Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Three principle forms of natural selection: (a) stabilizing selection, (b) directional selection, an Three principle forms of natural selection: (a) stabilizing selection, (b) directional selection, an
Increasing Costs of Natural Disasters Increasing Costs of Natural Disasters
Increasing Costs of Natural Disasters Increasing Costs of Natural Disasters
All of the homes in this new neighborhood of Brentwood, California, are for sale, evidence of the co All of the homes in this new neighborhood of Brentwood, California, are for sale, evidence of the co
Anterior pituitary and its target organs. Anterior pituitary and its target organs.
Main Hall, Trajan's Market Main Hall, Trajan's Market
Video: Exercise and cardiac output

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