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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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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Cell-wall structure of Gram-positive and Gram-negative bacteria. Cell-wall structure of Gram-positive and Gram-negative bacteria.
negative feedback loop negative feedback loop
Positive and Negative Symptoms of Schizophrenia Positive and Negative Symptoms of Schizophrenia
Reinforcement and Punishment Reinforcement and Punishment
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
Homeostasis and negative feedback as related to control of body temperature. Homeostasis and negative feedback as related to control of body temperature.
Video: Carbohydrate digestion - mouth and stomach & pancreas and small intestine

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