Caregivers who are trained in responding to anxiety or aggression in people with dementia can effectively reduce those symptoms, studies find. iStockphoto hide caption

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Residents of ShantiNiketan, a retirement community near Orlando, Fla., walk in a Hindu religious procession. Courtesy of ShantiNiketan Inc. hide caption

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Barbara Beskind, 90, is a designer at IDEO who works with engineers on products that improve the quality of life for older people. Nicolas Zurcher/Courtesy of IDEO hide caption

itoggle caption Nicolas Zurcher/Courtesy of IDEO

Palliative medicine physician Michael Fratkin gets off a plane after visiting a patient on the Hoopa Valley Indian Reservation. He's recently launched a startup to support this kind of work. April Dembosky/KQED hide caption

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Donna Giron wheels through the halls of the nursing home she's lived in since May. Finding an affordable home of her own has been difficult. Sarah Jane Tribble/WCPN hide caption

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Donald Hall is a former U.S. poet laureate and was awarded the National Medal of Arts in 2010. Linda Kunhardt/Courtesy of Houghton Mifflin Harcourt hide caption

itoggle caption Linda Kunhardt/Courtesy of Houghton Mifflin Harcourt

Joyce Powell, 80, attends an exercise class at UT-Arlington with her husband, Thomas (right). Powell says she feels more confident in getting around and traveling since taking the classes. Dane Walters/KERA hide caption

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A Kenyan senior citizen leans on his cane. As people age in parts of Africa, they report declining levels of satisfaction with their life. Roberto Schmidt/AFP/Getty Images hide caption

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Bolivia is one of the poorest countries in the Western hemisphere, but its senior citizens all benefit from a guaranteed pension. Antonio Olmos/Courtesy of Age International hide caption

itoggle caption Antonio Olmos/Courtesy of Age International

Federal prosecutors allege two nursing homes in California have "persistently and severely overmedicated elderly and vulnerable residents." Antipsychotic drugs like risperidone, also known as Risperdal, can be dangerous for elderly people, but are frequently prescribed to nursing home patients. JB Reed/Bloomberg via Getty Images hide caption

itoggle caption JB Reed/Bloomberg via Getty Images