LONDON: Children of working mothers who have low job satisfaction develop stress, says a study. Julie Turner-Cobb, a health psychologist and senior lecturer at the University of Bath in Britain, and other researchers studied more than 50 nursery school children and measured their levels of cortisol - the primary stress hormone. Cortisol is a steroid hormone that regulates blood pressure and cardiovascular function and immune function as well as controlling the body's use of proteins, carbohydrates, and fats, according to a university release. The hormone's secretion increases in response to stress experience, whether physical such as illness, trauma, surgery, or...