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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

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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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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Fossil and modern stromatolites: evidence of autotrophic cyanobacteria. Fossil and modern stromatolites: evidence of autotrophic cyanobacteria.
Bullet Ant Bullet Ant
Common skin signs are often evidence of an illness or disorder. A nodule is a larger papule; acne ... Common skin signs are often evidence of an illness or disorder. A nodule is a larger papule; acne ...
An orange-red biohazard symbol indicates that bloodborne pathogens may be present, and items should ... An orange-red biohazard symbol indicates that bloodborne pathogens may be present, and items should ...
Many African Americans are trying to get in closer contact with their roots. To do this, some use ... Many African Americans are trying to get in closer contact with their roots. To do this, some use ...
The evidence of metabolites from gut microbiota. The evidence of metabolites from gut microbiota.
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