Please choose the correct ending to complete the given sentence: Health: [header] How to lose leg fat [title] Learn the benefits of regular exercise. [step] Exercise can help anyone be and feel healthy. But it can also help you shed excess weight.

Ending1: Try to do 150 minutes of regular exercise each week for short term weight loss. [substeps] Talk to your doctor about your aim for regular exercise (i.e., you can do daily or weekly). Ending2: [substeps] One of the benefits of regular exercise is that it's an easy substitute for lifestyle changes such as weight loss because you can exercise for hours without feeling tired. In addition, simple exercise for a period of time will keep your system and appetite strong. Ending3: Understanding the benefits of exercise can help you get fit and lose weight and even sculpt your legs. [substeps] Exercise can prevent excess weight gain and strengthen your muscles, including those in your legs. Ending4: Sit at the walk-in after work, have some small steps out, or engage in some aerobic activity like mowing the lawn or running a dog in the morning. [substeps] There are significant benefits to single walking.

Answer format: ending1/ending2/ending3/ending4