Oprah Winfrey Sues Resveratrol Seller

Anyone who surfs the Web has probably seen the ads featuring Oprah Winfrey and her resident on-air physician, Dr. Mehmet Oz. "For a limited time only, we are giving away two 100% risk-free trials of the best resveratrol product on the internet," read one recent ad, referring to a red-wine extract that some supplement makers believe has life-extending powers.

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