Richard Kahn, who served as chief scientific and medical officer of the American Diabetes Association for more than two decades, argues that community-based weight-loss programs do not appear to be effective in curbing diabetes incidence and that implementing a government intervention program may not produce positive results. "While we wait for the time when lifestyle modification becomes practical, we might be better served by focusing more attention on improving our understanding of the processes that affect energy intake and expenditure and improving the medical management of diabetes," Kahn wrote in a paper published in Health Affairs.

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