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Recreational use used to treat erectile dysfunction, of drugs -- Sildenafil ( Viagra ), Tadalafil ( Cialis ) and Vardenafil ( Levitra ) -- is associated with higher risks of sexually-transmitted dis ...


Observational studies which report that influenza vaccination reduces winter mortality risk among the elderly by 50 percent may substantially overestimate the vaccination benefit. Accurate determin ...


Persons younger than 65 with high-risk medical conditions such as chronic lung and heart disease can substantially benefit from annual influenza vaccination during an epidemic. Influenza continues ...


A imaging study carried out at UCLA/University of Pittsburgh for the first time has showen the selective pattern of destruction inflicted by AIDS on brain regions that control motor, language and sens ...


A trial found that circumcision reduces the rate of new infections among heterosexual men in South Africa by about 60%. Because HIV infection rates are generally lower among African groups where c ...


Schering-Plough has discontinued a Phase II study with its investigational CCR5 receptor antagonist, Vicriviroc, used in combination with Combivir in treatment-naive HIV patients. This decision was ...


A meta-analysis has found that total lymphocyte count could be a relatively simple, inexpensive way to indicate when antiretroviral therapy ( ART ) should be started for HIV-infected children in deve ...


Researchers at the University of Pennsylvania have demonstrated that Morphine withdrawal complicates hepatitis C by suppressing IFN-alpha-mediated immunity and enhancing virus replication. The pape ...


Oral polio vaccine ( OPV ), one of the vaccines instrumental in driving the disease to near-eradication, contains weakened live virus strains. The vaccine is highly effective, easy to administer, rel ...


A review of the past medical files of more than 300 couples in Uganda, in which the female partner was HIV negative and the male was HIV positive, provides solid documentation of the protective effect ...


Researchers have come up with a novel delivery system for anti-AIDS drugs: milk-curdling bacteria used to make yogurt and cheese. " We've found that you can engineer these bugs to secrete drugs – ...


Researchers from the National Institute of Allergy and Infectious Diseases ( NIAID ), found that people who lack a cell surface protein called CCR5 are highly resistant to infection by HIV but may be ...


A study that measured the effects of anabolic steroids on men with HIV wasting disease found that anabolic steroids cause decreased levels of HDL-cholesterol, increased levels of LDL-cholesterol, and ...


A study suggests that there is an association between direct contact with dead or sick poultry and flu-like illness in humans and that the transmission is probably more common than expected. Anna T ...


HIV positive women are much more likely to suffer from anemia and high blood pressure in pregnancy and deliver babies with lower birth weights and retarded growth. A team from the University of Wit ...