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OBJECTIVE To establish a link between tryptophan (a precursor for 5-hydroxytryptamine (5-HT) or serotonin, involved in sleep and fatigue) and post-operative fatigue after major surgery. BACKGROUND There is a link between tryptophan (the precursor for the neurotransmitter 5-hydroxytryptamine), and its competitive binding with non-esterified fatty acids(More)
BACKGROUND Hepatitis B coinfection is common in HIV-positive individuals and as antiretroviral therapy has made death due to AIDS less common, hepatitis has become increasingly important. Several drugs are available to treat hepatitis B. The most potent and the one with the lowest risk of resistance appears to be tenofovir (TDF). However there are several(More)
OBJECTIVES For the last 10 years there has been an epidemic of hepatitis C virus (HCV) infection in men who have sex with men (MSM) in Europe, North America and Australia. The majority of those infected are also HIV-positive and it is unclear to what extent HIV-negative MSM are also at increased risk of infection with HCV. This study provides the first(More)
BACKGROUND Hepatitis B virus (HBV) infection is an increasingly important cause of morbidity and mortality in HIV-infected adults. This study aimed to determine the prevalence and incidence of HBV in the UK CHIC Study, a multicentre observational cohort. METHODS AND FINDINGS 12 HIV treatment centres were included. Of 37,331 patients, 27,450 had at least(More)
OBJECTIVE Since 2003, over 2000 cases of lymphogranuloma venereum (LGV) have been diagnosed in the U.K. in men who have sex with men (MSM). Most cases present with proctitis, but there are limited data on how to differentiate clinically between LGV and other pathology. We analysed the clinical presentations of rectal LGV in MSM to identify clinical(More)
BACKGROUND Hepatitis C virus (HCV) and/or hepatitis B virus (HBV) coinfection with human immunodeficiency virus (HIV) has a greater risk of mortality than either HCV or HBV infection alone and is frequently associated with hepatitis flares after antiretroviral therapy (ART) initiation. METHODS We performed a retrospective cohort study of 287 HIV-positive(More)
BACKGROUND We report on the hepatitis C virus (HCV) epidemic among human immunodeficiency virus (HIV)-positive men who have sex with men (MSM) in the United Kingdom and model its trajectory with or without scaled-up HCV direct-acting antivirals (DAAs). METHODS A dynamic HCV transmission model among HIV-diagnosed MSM in the United Kingdom was calibrated to(More)
Bell's Theorem depends on the assumption that hidden variables are not influenced by future measurement settings, and it is widely recognised that some of the puzzling features of quantum mechanics could be explained if this assumption were invalid. The suggestion has generally been regarded as outlandish, however, even by the taxed standards of the(More)