This composite image of brain scans shows two traits of a highly impulsive individual. The cool colors in the midbrain are indicative of a decrease in dopamine receptor levels while the warm colors show elevated levels of dopamine in a different part of the brain called the striatum. Joshua W. Buckholtz and David H. Zald hide caption

toggle caption Joshua W. Buckholtz and David H. Zald

Just Buy It: Impulsiveness Tied To Brain Chemical

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The Daily Challenges Of Learning To Be A Widow

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Weathering Emotional Storms Over Gulf Oil Spill

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Ron Capps spent 25 years in the Foreign Service and the Army Reserve. Like many other soldiers, he suffers from PTSD, but unlike some others he asked for help. Courtesy of Ron Capps hide caption

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Reducing The Stigma Of PTSD In Army Culture

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Free Press

A Psychiatrist's Prescription For His Profession

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VA Eases Claims Process For PTSD Treatment

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Voice blindness, or phonagnosia, is a rare disorder that has to do with how the brain processes voices. iStockphoto.com hide caption

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'Voice Blind' Man Befuddled By Mysterious Callers

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Female Veterans Struggle To Stay Off Streets

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Listeners Deeply Affected By Eldercare, House Music

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'Jan's Story' Of Losing A Love To Alzheimer's

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Mary VanDam pours coffee for patron Jim Brumm at Mr. B's Pancake House in Laketon Township, Mich. Cory Morse/Muskegon Chronicle via AP hide caption

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Nervous About Alzheimer's? Coffee May Help

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Dan Gottlieb hosts a mental-health call-in radio show on WHYY. In 1979, was in a near-fatal car accident that left him paralyzed from the chest down. hide caption

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A Grandfather's Message To His Autistic Grandson

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