WASHINGTON (Reuters) - U.S. dairy producers will have to stop pitching the idea that drinking more milk spurs weight loss, the Federal Trade Commission told a physician’s advocacy group in a letter made public on Friday.Calling it a “victory for consumers”, the Physicians for Responsible Medicine said two national dairy advertising campaigns overseen by the U.S. Department of Agriculture will stop claiming that dairy products cause weight loss because “such claims are not supported by existing scientific research.”>>> Discuss This Story