'''Dieting''' for [[weight loss]] is a major preoccupation of health-conscious Americans. Many also go on a reducing diet to improve the look of their physique.
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The most effective way to lose weight is to take in fewer [[calories]] than you use up. Often this can be accomplished by eating less and exercising more.
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The quest to lose weight without "dieting" has fueled sales of diet books into the billons of dollars and spawned an entire industry.