London: Teaching young women how to prevent sexually transmitted infections (STIs) increases condom use and might reduce their number of sexual partners, but little research exists on whether educational programs reduce rates of STIs such as human papillomavirus, according to an updated research review from England.

Washington: Many privacy discussions follow a similar pattern, and involve the same kinds of arguments. It’s commonplace to hear that privacy is dead, that people - especially kids - don't care about privacy, that people with nothing to hide have nothing to fear, and that privacy is bad for business.

Texas: In an analysis of data from several studies, watching television for 2-3 hours per day or more was associated with a higher risk of type 2 diabetes, fatal and nonfatal cardiovascular disease and all-cause death, according to a study.

Salt Lake City: A University of Utah study shows that men hit harder when they stand on two legs than when they are on all fours, and when hitting downward rather than upward, giving tall, upright males a fighting advantage. This may help explain why our ape-like human ancestors began walking upright and why women tend to prefer tall men.

Washington: Freedom and personal autonomy are more important to people’s well-being than money, according to a meta-analysis of data from 63 countries published by the American Psychological Association.

Montreal: The results of a national online study show that 45% consider their parents to be their sexuality role model. Shattering stereotypes that parents and society hold about teen sexuality.