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Op-Ed Contributor

Why Is the Federal Government Afraid of Fat? <http://p.nytimes.com/email/re?location=InCMR7g4BCKC2wiZPkcVUh+VqCjGOX3F&user_id=cc183a003d2c1f3d472790cd402cb1ac&email_type=eta&task_id=1436452100666812&regi_id=0>

By DAVID S. LUDWIG and DARIUSH MOZAFFARIAN



Despite a growing body of evidence in favor of fat in our diets, government policy continues to press against it.



















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