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In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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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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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Feedforward events can be conditioned to external stimuli. Feedforward events can be conditioned to external stimuli.
Feedforward events can be conditioned to external stimuli. Feedforward events can be conditioned to external stimuli.
External and cross-sectional view of an infarct caused by a myocardial infarction. External and cross-sectional view of an infarct caused by a myocardial infarction.
A, External respiration; B, internal respiration. A, External respiration; B, internal respiration.
The internal and external anatomy of the kidney. The internal and external anatomy of the kidney.
External ear External ear
Video: Role of complement proteins

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