Throughout the industrialized world, young women outnumber young men in urban areas. This paper proposes that such a pattern may be linked to higher male incomes in urban areas. The argument is that urban areas offer skilled workers better labor markets. Assuming that there are more skilled males than females, this alone would predict a surplus of males. However, the presence of males with high...

Kahlke, Volker, Martin K. Angele, Martin G. Schwacha, Alfred Ayala, William G. Cioffi, Kirby I. Bland, and Irshad H. Chaudry. Reversal of sexual dimorphism in splenic T lymphocyte responses after traumahemorrhage with aging. Am. J. Physiol. Cell Physiol. 278: C509–C516, 2000.—Previous studies have demonstrated that hemorrhagic shock produces immunodepression in young male mice, whereas the immu...

BACKGROUND/AIMS We determined the effects of age and sex on the blood pressure (BP) response to angiotensin II (Ang II) infusion and evaluated the potential mechanistic role of the thiazide-sensitive NaCl cotransporter (NCC) and the epithelial sodium channel (ENaC). METHODS Male and female mice (approximately 3 or 21 months of age) were infused with Ang II or control for 7 days. RESULTS Mal...

BACKGROUND There is scanty evidence regarding the impact of parenting practices on young people's sexual risk-taking in sub-Saharan Africa. Moreover, the extent to which such practices have enduring consequences on adolescents and young adults is little documented. This study uses repeated measures of parent-child relationships, parental monitoring, and parent-child communication about sexual m...

the purpose of this study was to examine the relationship of physical activity levels with sleep duration (sd), and self-rated health (srh) using the fifth korean national health and nutrition examination survey data from 2010 and 2011.overall, 12,188 korean people were evaluated in relation to meeting guidelines for vigorous pa (mvpa), moderate pa (mmpa), and low pa (mlpa) associated with sd a...

The purpose of this study was to compare office and 24-h ambulatory blood pressure (ABP) values for adolescent and young adult males and females of Anglo, Hispanic, and African-American descent. One hundred and eighteen healthy subjects (62 females, 56 males) participated, with an ethnic distribution of 50 Anglo, 32 Hispanic, and 36 African-American subjects. All subjects came to the clinic for...