The basic problem is that while it's true that exercise burns calories and that you must burn calories to lose weight, exercise has another effect: it can stimulate hunger.

有个简单的问题：如果锻炼能消耗热量并且消耗了热量就可以减肥的话，锻炼也会产生另一个效果：刺激食欲。

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These people have found that certain factors, such as diet, weight, exercise, exposure to sunlight, stress, and bad habits can have an important effect on the aging process.

这些人发现某些特定的原因，如节食，体重，运动，暴晒于阳光之下，压力，不良嗜好等都能对老化的过程产生巨大影响。

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Make sure you eat a well-balanced diet and don't smoke. Maintain your weight, exercise routinely and avoid drinking excessive amounts of alcohol.

确保均衡的饮食，不抽烟，保持体重，经常锻炼和避免过量饮酒。

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Still others offer personal counseling to help employees lose weight, exercise more and stop smoking.

VOA: special.2011.02.28

One of the main reasons people exercise is to control or reduce their weight.

VOA: special.2010.06.08

The researchers say while exercise helps prevent disease, the only way that heavier women can lose weight is to simply cut calories.

VOA: standard.2010.03.30

Not only are you healthier as a result, your comprehensive exercise program, which includes cardiovascular and weight-bearing exercise, is preventing further weight gain and allowing you to maintain muscle mass so your metabolism does not drop significantly as you get older.

CNN: I'm exercising; why can't I lose weight?

Besides eating right, the other main component to losing weight is exercise.

FORBES: Shed Those Final 10 Pounds By Labor Day

In a recent continuing education meeting on the latest treatments for diabetes, there were the usual conversations of the difficulties in getting patients to lose weight, exercise, follow diets, keep their sugars down, and take their medication.

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