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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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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

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Medication errors are more common among seriously ill patients than with those with minor conditions.

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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

The urinary system: kidneys, ureters, bladder, and urethra with expanded view of a nephron and the u The urinary system: kidneys, ureters, bladder, and urethra with expanded view of a nephron and the u
kidneys kidneys
Kidneys Kidneys
Absorption of a drug through cell membranes into the bloodstream (systemic circulation). The drug ... Absorption of a drug through cell membranes into the bloodstream (systemic circulation). The drug ...
Location of the kidneys-posterior view. Avoid heavy percussion over the kidneys Location of the kidneys-posterior view. Avoid heavy percussion over the kidneys
The urinary system: Relationship of the kidneys to the vertebrae The urinary system: Relationship of the kidneys to the vertebrae
Video: Predator- prey competition and symbiosis

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