Contrary to traditional expectations of unbalanced sex ratios, places with more men than women do not typically experience higher rates of family and social instability, according to a University of Utah study. The study by anthropologists Ryan Schacht and Karen Kramer, published August 24 in PLOS ONE, finds instead that surpluses of men are associated […]

It’s been established that having multiple sex partners prior to marriage sometimes leads to less happy marriages and  increases the odds of divorce. But sexual attitudes and behaviors continue to change in America, and some of the strongest predictors of divorce in years gone by no longer matter as much as they once did, according […]