Cheryl Woolnough, director of training at Patriot PAWS in Rockwall, Texas, works with Papi, a Labrador retriever. Lauren Silverman/KERA News hide caption

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Prince George's County District Court in Maryland has used a mental health court as an alternative to traditional criminal proceedings. Sallicio/Wikimedia hide caption

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After years fighting a heroin addiction, Danny Montgomery, 33, is receiving inpatient treatment that is being paid for by Los Angeles County. Anna Gorman/KHN hide caption

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Robert Lewis Dear was formally charged with first-degree murder and other counts in last month's killing of three people at a Planned Parenthood clinic in Colorado Springs, Colo. Getty Images hide caption

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Evans Army Community Hospital, which stands on the Fort Carson military base, is a central part of the base's behavioral health system. Courtesy of Evans Army Community Hospital/U.S. Army hide caption

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More than three hours a day could mean brain fade by middle age. Raoul Minsart/Masterfile/Corbis hide caption

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Yolanda Roberson, who directs the Empowerment program, teaches a class at a Boys and Girls Club in the Bronx. The classes are funded by the state of New York. Robert Stolarik/Courtesy of Youth Today hide caption

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Sarah Silverman plays a profoundly depressed woman who has gone off her medication in the film I Smile Back. Broad Green Pictures hide caption

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Alan Hoffman, shown with his wife, Nancy, at their home in Dumfries, Va., found that his Parkinson's symptoms improved when he took a cancer drug. Claire Harbage for NPR hide caption

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