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It's a popular weight-loss tip — but does the research actually back it up? Here's what clinical trials show about water 'preloading' before meals.

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Doing hundreds of crunches won't specifically melt belly fat. Here's the science behind why spot reduction is a myth, and what actually works.

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Intermittent fasting is popular for weight loss, but does the science support it being better than any other approach? Here's what the research says.

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