St. Louis: Note to Mimi, Didi, Gigi, G-Ma and the rest of the gang who have swapped out your own pet names for Grandma: Being a grandparent is good for your health. So says Angela Sanford, assistant professor of geriatrics at Saint Louis University.

Washington: Navigating the minefield of sexual etiquette has never been easy, but a new study explores how today’s romantic partners are being advised on the thorny issue of consent, particularly with regard to “sexting.”

Salt Lake City: Truck drivers who are frequently fatigued after work, use cell phones while driving, or have an elevated pulse pressure – a potential predictor of cardiovascular disease - may be at increased risk for getting into truck accidents, according to a study by the Rocky Mountain Center for Occupational and Environmental Health at the University of Utah and published in the Journal of Occupational and Environmental Medicine.

Texas: It could begin online, where your 13-year-old son makes new “friends” while playing the latest game. Or, it could begin when your 15-year-old daughter catches the glance of an older guy at the mall.

Bloomington: Research from Indiana University has found that sexual activity triggers physiological changes in the body that increase a woman’s chances of getting pregnant, even outside the window of ovulation.

Washington: Teenage girls who compulsively text are more likely than their male counterparts to do worse academically, according to research published by the American Psychological Association.

Washington: How happy you are may have something to do with who you know—and where you come from. Lijun Song, assistant professor of sociology, set out to discover whether knowing high-status people helped or harmed mental health, using depressive symptoms as a proxy. Her findings appeared in the recent issue of Social Science and Medicine.

Washington: For years social scientists have grappled with the question of why men receive far more media coverage than women, and now a new study reveals the answer.

Washington: Inadequate supervision by parents during early adolescence forecasts a host of behavior problems, including problem drinking. The risk of alcohol abuse arising from inadequate parental supervision is particularly high for girls who reach puberty early, according to a new study by researchers at Florida Atlantic University. 

Washington: Every 13 minutes of every day, on average, someone in the US and every four minutes one person in India commit suicide. Many of those deaths are preventable.