BACKGROUND While the "widowhood effect" is well known, there is substantial heterogeneity in the magnitude of effects reported in different studies. We conducted a meta-analysis of widowhood and mortality, focusing on longitudinal studies with follow-up from the time of bereavement. METHODS AND FINDINGS A random-effects meta-analysis was conducted to calculate the overall relative risk (RR) f...

BACKGROUND AND PURPOSE The reported outcomes of hip resurfacing arthroplasty (HRA) vary. The frequency of this procedure in Denmark, Norway, and Sweden is low. We therefore determined the outcome of HRA in the NARA database, which is common to all 3 countries, and compared it to the outcome of conventional total hip arthroplasty (THA). METHODS The risk of non-septic revision within 2 years wa...

Background & Aims of the Study: As an air pollutant, NO2 reacts with ammonia, moisture and other compounds to form small particles. These small particles may cause or aggravate respiratory diseases and exacerbate existing heart diseases, leading to increased hospital admissions and premature death. In this study, the AirQ2.2.3 model was used to evaluate adverse health effects caused by NO2 ...

For more than 70 years, the contention that high levels of testosterone or that the use of testosterone therapy (TTh) increases the development and progression of prostate cancer (PCa) has been widely accepted and practiced. Yet, the increasing and emerging evidence on testosterone research seems to challenge that contention. To review literature on the associations of endogenous and exogenous ...

Neotropius atherinoides locally known as Batasi fish and considered as freshwater small indigenous species (SIS) in Bangladesh. The present study describes the first complete, inclusive description of length-weight relationships (LWRs), length-length relationships (LLRs), condition factors (Fulton’s, KF; Relative, KR) and the breeding biology in the adjacent river of Chalon beel, Bangladesh. Th...