Kettlebells are effective weight loss tools.

壶铃是有效的减肥工具。

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Look for a safe and effective weight-loss program.

寻找安全有效的减肥计划。

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According to Bates, African Mango is the most effective weight-loss product she's ever used.

据贝茨说，非洲芒果是她迄今为止用过的最有效的减肥产品。

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"We found that physical activity was effective in controlling weight only among women who started off with a normal BMI."

VOA: standard.2010.03.30

What we need is the political will, starting with a full health economics analysis of the costs and benefits of effective weight management in diabetes and other conditions where obesity is a significant factor.

BBC: GP practices 'need obesity specialists'

The model shows that lasting weight loss takes a long time to achieve and suggests that more effective weight loss programs might be undertaken in two phases: a temporary, more aggressive change in behavior at first, followed by a second phase of a more relaxed but permanent behavioral change that can prevent the weight regain that afflicts so many dieters despite their best intentions.

FORBES: Sustainable Weight Loss: Minding What Matters

And this new approach really does open up the prospect of more effective means of weight control than those pointless yo-yo diets.

BBC: Born to be fat