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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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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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

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About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Rectovaginal fistula. It is an abnormal passageway between the rectum and vagina. Rectovaginal fistula. It is an abnormal passageway between the rectum and vagina.
Rectovaginal fistula. It is an abnormal passageway between the rectum and vagina. Rectovaginal fistula. It is an abnormal passageway between the rectum and vagina.
Polyps, or abnormal growths, on the lining of the large intestine may indicate early stages of colon Polyps, or abnormal growths, on the lining of the large intestine may indicate early stages of colon
The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ... The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ...
Video: Carbohydrate Metabolism: Introduction to renal processes and filtrate formation and composition

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