Parents can minimize the negative impact of their arguments on their children using a few simple techniques to calm down. iStockphoto.com hide caption

itoggle caption iStockphoto.com

An older man performs exercises in Mumbai, India. Research suggests that moderate physical exercise may be the best way to keep our brains healthy as we age. Rajesh Kumar Singh/AP hide caption

itoggle caption Rajesh Kumar Singh/AP

Reducing dietary salt and alcohol, exercising, not smoking and maintaining a healthy weight are other lifestyle tweaks known to help prevent or reduce high blood pressure, doctors say. David McNew/Getty Images hide caption

itoggle caption David McNew/Getty Images

A JAMA Psychiatry study found that 1 in 7 mothers are affected by postpartum depression. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Good advice, but strict rules at mealtime may backfire. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Yvonne Condes helps her son Alec get ready for baseball practice. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

A new poll explores what happens in American households during the hours between school and bedtime. Image courtesy of The Bishop family (left), The Benavides family (top right), NPR (center) and The Jacobs family (bottom right) hide caption

itoggle caption Image courtesy of The Bishop family (left), The Benavides family (top right), NPR (center) and The Jacobs family (bottom right)

Brad McDonald and his 14-year-old daughter, Madalyn, are working to understand each other during her teenage years. Courtesy of Brad McDonald hide caption

itoggle caption Courtesy of Brad McDonald

Some parents have worried that kids get too many vaccinations too quickly. A review of all the available research suggests those concerns are misplaced. Dmitry Naumov/iStockphoto.com hide caption

itoggle caption Dmitry Naumov/iStockphoto.com

A cigarette warning label image approved by the Food and Drug Administration. Food and Drug Administration hide caption

itoggle caption Food and Drug Administration

Members of the boys basketball team from Dimond High School in Anchorage, Alaska, celebrate their 2012 state championship victory. Psychological research shows that sports camaraderie improves teenagers' mental health. Charles Pulliam/AP hide caption

itoggle caption Charles Pulliam/AP

Dr. Jame Abraham used positron emission tomography, or PET, scans to understand differences in brain metabolism before and after chemotherapy. Dr. Jame Abraham hide caption

itoggle caption Dr. Jame Abraham

According to a study published in Pediatrics, boys are entering puberty six months to two years earlier than they did in past studies. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Fraud victims are more likely to have opened official-looking sweepstakes notices and other mailings. A new study says the elderly are more susceptible than the young to being swindled. Allen Breed/AP hide caption

itoggle caption Allen Breed/AP

In the U.K.-based program called Txt2stop, researchers sent smokers encouraging text messages, like the one above, to help them quit. Karen Castillo Farfán/NPR hide caption

itoggle caption Karen Castillo Farfán/NPR