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Deric Bownds' MindBlog: Watching the testosterone crash in anxious men who lose a contest.

Deric Bownd's Mindblog (the neuroblog that also plays you a piano recital every week) calls out an interesting paper in which social defeat drives down testosterone level in men. Not surprising, since social defeat in cichlids has been shown to produce massive changes in gene expression, size and color. But intriguing nevertheless. From the abstract:

Although theory suggests a link between social anxiety and social dominance, direct empirical evidence for this link is limited. The present experiment tested the hypothesis that socially anxious individuals, particularly men, would respond to a social-dominance threat by exhibiting decrements in their testosterone levels, an endocrinological change that typically reflects pronounced social submission in humans and other animals. Participants were randomly assigned to either win or lose a rigged face-to-face competition with a confederate. Although no zero-order relationship between social anxiety and level of testosterone was observed, testosterone levels showed a pronounced drop among socially anxious men who lost the competition.

Tags: pebble, pebbles on 2008-09-10 -All Annotations (1) -About

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Tolstoy's Birthday, via Writer's Almanac

The lives people lead. Here's a snip from today's Writer's Almanac, which celebrates Tolstoy's birthday:

"But for Tolstoy, the early years of his marriage were some of the happiest of his life. The regularity of married life let him settle down to work more steadily than ever before. And in the midst of that happiness, he wrote his first masterpiece, War and Peace (1863). It was the longest and most ambitious novel he'd ever written, and he was only willing to attempt it because he now had his wife to work as his secretary. When he would scribble corrections all over a rough draft, she was the only person who could decipher what his corrections said. Even he couldn't read his own handwriting. She ultimately copied by hand the 1400-page manuscript for War and Peace (1863) four times."

There's more, definitely worth reading.

Tags: pebble, Tolstoy, Garrison, Keillor, Writer's, Almanac, literature, history, keillor on 2008-09-09 and saved by18 people -All Annotations (1) -About

more fromwritersalmanac.publicradio.org

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Fish Tale Has DNA Hook - Students Find Bad Labels - NYTimes.com

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Barcelona Spain Tourism: Using A Cellphone

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Migration of Doctors and Nurses from Developing to Developed Countries - May 09, 2008 -May 9, 2008 - Harvard Public Health NOW - Harvard School of Public Health

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An Iron Fist Joins the Malaria Wars - New York Times

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An Iron Fist Joins the Malaria Wars - New York Times

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Gates Keepers :: The Gates Foundation and Ann Arbor

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Ending Malaria Deaths in Africa (extended version): Scientific American

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Foreign Affairs - The Challenge of Global Health - Laurie Garrett

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Foreign Affairs - The Challenge of Global Health - Laurie Garrett

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Foreign Affairs - The Challenge of Global Health - Laurie Garrett

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Foreign Affairs - The Challenge of Global Health - Laurie Garrett

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Concord Monitor - Combat veterans need help to survive

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Schwitzer health news blog: Undisclosed conflicts of interest in media interviews

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New onset and persistent symptoms of post-traumatic stress disorder self reported after deployment and combat exposures: prospective population based US military cohort study -- Smith et al., 10.1136/bmj.39430.638241.AE -- BMJ

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Observations On Posttraumatic Stress Disorder and Military Service

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Christina DiMartino - mediabistro.com Freelance Marketplace

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