More than a decade ago, World Health Organization declared that obesity had reached epidemic proportions [1]. It’s uninamous that this condition has a multifactorial etiology and the excessive amount of weight gained in pregnancy and postpartum retention have been studied as potential contributors. Excessive weight during pregnancy can also affect the health of the mother and her infant. Conseq...

Let m be a positive integer and let G be a graph. We consider the question: can the edge set E(G) of G be expressed as the union of a set M of matchings of G each of which has size exactly m? If this happens, we say that G is [m]-coverable and we call M an [m]-covering of G. It is interesting (and probably of some practical value) to consider minimum [m]-coverings, i.e. [m]-coverings containing...

OBJECTIVE To determine the factors associated with excessive body fat among black African men and women living in rural and urban communities of South Africa. METHODS This is a cross-sectional analysis of data from the Prospective Urban and Rural Epidemiology (PURE) study, Cape Town, South Africa conducted in 2009/2010. The study sample included 1220 participants (77.2% women) aged 35-70 year...