Self-help guru Harville Hendrix and his wife Helen LaKelly Hunt are offering free relationship therapy workshops to Dallas-area couples. Many of the couples who attend have never gone to relationship counseling. Courtesy of Darren Rollinson hide caption

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Manic, sad, up, down. Your voice may reveal mood shifts. iStockphoto hide caption

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Involuntary commitment to a hospital for mental illness can be a lengthy and complex process. A California law makes mandatory outpatient treatment an option. iStockphoto hide caption

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In epilepsy, the normal behavior of brain neurons is disturbed. The drug valproic acid appears to help the brain replenish a key chemical, preventing seizures. David Mack/Science Source hide caption

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Noah Cummings, 13, starts the morning with his mom, Heather Cummings, at home in Epsom, N.H. Ellen Webber for NPR hide caption

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Work can be rough, but a researcher has found that for many people, being at home is more stressful than being at the office. iStockphoto hide caption

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