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Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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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.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

This diagram shows a cross-section of a solar-type star. This diagram shows a cross-section of a solar-type star.
Basal cell carcinoma, a frequent type of skin cancer that rarely metastasizes. Basal cell carcinoma, a frequent type of skin cancer that rarely metastasizes.
Peptic ulcer. A peptic ulcer may occur in the stomach (gastric ulcer), as shown here, or in the duod Peptic ulcer. A peptic ulcer may occur in the stomach (gastric ulcer), as shown here, or in the duod
What type of errors are these: calling only large dogs a dog and calling a dog a kitty? What type of errors are these: calling only large dogs a dog and calling a dog a kitty?
Common phlebotomy issues. Common phlebotomy issues.
The components of the wild-type lac operon The components of the wild-type lac operon
Video: Lipid digestion - mouth, stomach and small intestine

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