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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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.