03/28/2008 02:44 am ET Updated Nov 17, 2011

Memory-Boosting Miracle...Maybe Not: What The Data Says About Ginkgo Biloba

Ginkgo may be the most scrutinized supplement to ever hit health store shelves. There have been hundreds of ginkgo studies, including many classic rats-in-a-maze-type investigations and dozens of human trials. According to Fernando Gomez-Pinilla, a professor of neurosurgery at UCLA and a spokesperson for the Society for Neuroscience, the bulk of these studies point in the same direction: Ginkgo probably can help improve thinking, but not by much. "It won't make you a genius," he says.

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