Pyxicephalus currently contains three recognized species, viz. P. adspersus, P. edulis and P. obbianus, the former two of which have a long history of confusion. Parry (1982) described P. adspersus angusticeps from Beira, Mozambique, which was synonymized with P. edulis. We re-examine the taxonomic status of Pyxicephalus taxa from Mozambique, examining the types and contrasting them to congener...

This study aims to investigate the association between chronic khat chewing (5 30 years duration) and dyslipidemia among healthy males in Al Shuaib District. One hundred participants from different villages agreed complete with us. In this cross sectional sample objects 230 were selected randomly divided according ages duration, into four groups each (n= 20) a control group of (n=20) non chewer...

INTRODUCTION We assessed the prevalence of substance use and its association with high blood pressure among adults in Addis Ababa, Ethiopia. METHODS We employed a cross-sectional descriptive study design. The World Health Organization instrument for stepwise surveillance of risk factors for chronic diseases was applied on a probabilistic sample of 4001 men and women aged 25 to 64 years in Add...

Does Carpobrotus edulis have an impact on native plants? How do C. edulis' soil residual effects affect the maintenance of native populations? What is the extent of interspecific competition in its invasion process? In order to answer those questions, we established pure and mixed cultures of native species and C. edulis on soil collected from invaded and native areas of Mediterranean coastal d...