Contributors: Sep. 29, 1997

J. MADELEINE NASH, our senior science correspondent, reported on the brain's chemical pathways for our cover story on serotonin, a complex substance that influences a wide range of emotion and behavior. She knows the routes well, having written a cover story on another brain chemical, dopamine, and its role in addiction. Last week she looked at the natural antidepressant St. John's wort. Nash brought her usual clear-sightedness to the murky workings of serotonin and the trial-and-error science that brought forth beneficial--and potentially deadly--serotonin-enhancing drugs such as fen/phen. Nash's work has won the respect of scientists: she recently became an honorary member...

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