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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

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In 1864, the first barbiturate (barbituric acid) was synthesized.

Different parts of the body mature at different rates. “General” refers to the body as a whole: the Different parts of the body mature at different rates. “General” refers to the body as a whole: the
Venous return to the heart and blood flow to the lungs. Venous return to the heart and blood flow to the lungs.
Hormonal and nervous factors influencing blood pressure Hormonal and nervous factors influencing blood pressure
Control of BP and Blood Flow Control of BP and Blood Flow
ABO Blood Types ABO Blood Types
Normal white blood cell and a white blood cell undergoing apoptosis Normal white blood cell and a white blood cell undergoing apoptosis
Video: Enzyme structure - Properties of enzymes

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