LOS ANGELES - American Media Inc., publisher of tabloids The National Enquirer and The Star, said Wednesday it has agreed to buy Weider Publications Inc. for $350 million.

The deal, subject to regulatory approval, will give American Media all seven of Weider's privately held muscle-and-fitness magazines, including Shape, Men's Fitness and Muscle & Fitness.

A natural fit. Weider's pronouncements often sounded as if they had been written by tabloid staffers, and both companies started in Montreal ...