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Malaria should shiver at a new attack to be mounted against the disease.

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Persistent bacterial infection and vascular disease

By | August 25, 2000

Autoimmune reaction to infection could be an important factor in atherogenesis.

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Abortion

August 24, 2000

NEW YORK, August 22 (Praxis Press). Studies have disagreed about the mental health risks associated with elective abortion, but few studies have followed women for long periods of time after abortion or have differentiated between negative emotions and clinically significant psychological distress. Major and colleagues prospectively evaluated emotions, attitudes, and mental health status in 442 women undergoing elective, first-trimester abortion. Two years after the abortion, the majority of wom

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Cytomegalovirus

August 24, 2000

NEW YORK, August 21 (Praxis Press). Ganciclovir prophylaxis is often prescribed in transplantation centers when solid-organ recipients or donors are seropositive for cytomegalovirus (CMV); widespread use of this drug in these immunosuppressed patients has raised concern about the emergence of ganciclovir-resistant CMV. Limaye and colleagues evaluated antiviral susceptibility in 25 of 240 patients who received liver, kidney, or pancreas transplants and who subsequently developed CMV disease. Twen

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HIV shedding

August 24, 2000

NEW YORK, August 18 (Praxis Press). The sexual transmission of HIV is a public health concern, and antiretroviral therapy has been shown in clinical trials to reduce the shedding of HIV in semen. Extending this research to the community setting, Barroso and colleagues studied the effects of antiretroviral therapy on viral shedding in semen in 93 HIV-infected men. Before antiretroviral therapy, HIV RNA was detected in 96% of blood samples and 74% of semen samples; after 6 months of therapy, HIV R

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Homeopathy

August 24, 2000

NEW YORK, August 21 (Praxis Press). Studies have suggested that homeopathic remedies improve symptoms in people with allergies, but controversy persists about the possible role of a placebo effect. Taylor and colleagues compared symptoms in 51 patients with perennial allergic rhinitis randomized to an oral, 30c dilution of a homeopathic preparation of their principal inhalant allergen or to a placebo. Over four weeks of treatment, nasal airflow improved up to 21% in patients taking the homeopath

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Nanodecoys could provide additional protection against viruses

By | August 24, 2000

Decoy cells that are able to keep viruses away from human cells could help prevent infection.

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Pap test

August 24, 2000

NEW YORK, August 22 (Praxis Press). The Pap test has dramatically reduced cervical cancer mortality in the United States, but this test's mean sensitivity for cervical abnormalities may be as low as 58% in the general screening setting. Taylor and colleagues constructed a model to compare the costs and health outcomes associated with annual conventional Pap tests and with biennial Pap tests plus speculoscopy (PPS). For hypothetical women studied between ages 18 and 65 years, biennial PPS screeni

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Transplanted neuronal cells could reverse stroke damage

By | August 24, 2000

A phase one study in which cultured human neurons were transplanted into the brains of stroke victims offers hope that new methods could be developed to restore brain function.

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Troglitazone

August 24, 2000

NEW YORK, August 18 (Praxis Press). Troglitazone, a member of a new class of antidiabetic drugs, increases insulin sensitivity and promotes adipocyte differentiation. This drug may therefore be therapeutic in patients with lipoatrophic and lipodystrophic disorders. Arioglu and colleagues studied the effects of open-label troglitazone treatment in 20 patients with lipoatrophy and insulin resistance. After 6 months of treatment, fasting triglyceride levels decreased by 2.6 mmol/L (p = 0.019); free

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