Michael Pagliaro, left, laughs with Paul Scattaretico at the Muzic Store Inc. in Dobbs Ferry, N.Y., as Pagliaro picks up instruments for his rental business. Before Pagliaro had a hip replacement, pain made it difficult to work. Maggie Starbard/NPR hide caption

itoggle caption Maggie Starbard/NPR

Depression is common among old people, affecting up to 25 percent. iStockphoto.com hide caption

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Mike Jackson has diabetes and high blood pressure. His eye was damaged after he cut back on insulin because he couldn't afford it. Bryan Terry for NPR hide caption

itoggle caption Bryan Terry for NPR

Going to the doctor may be uncomfortable for people who are worried about weight. iStockphoto.com hide caption

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

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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

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

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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