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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

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When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

The tracheal system of insects. The tracheal system of insects.
Examples of Endocrine Disorders Associated with Hyper- and Hyposecretion Examples of Endocrine Disorders Associated with Hyper- and Hyposecretion
Heat Exchanger Block Diagram Feedback Control System Heat Exchanger Block Diagram Feedback Control System
A GDI system uses a low-pressure pump in the gas tank similar to other types of fuel-injection ... A GDI system uses a low-pressure pump in the gas tank similar to other types of fuel-injection ...
The human digestive system The human digestive system
Parathyroid glands. Parathyroid glands.
Video: Ultrasound of a Fetus (Sonogram)

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