Doing aerobic and cardio exercises such as running, stair climbing, aerobics, training with the elliptical machines etc is a great way to strengthen your cardiovascular and respiratory system. Apart from that such exercise is also great for losing weight because you can burn a lot of calories doing cardio exercises.
Now if your main goal of doing cardio exercise is to lose weight and burn calories, then I would suggest you to switch up your workout routine and don't just stick with one form of exercise.
You see, many people when they go to the gym, use the elliptical machine or the treadmill and started having great results by burning 800 calories. That's all fine and dandy for someone who had never done any exercise for a long time. However, if you have been doing the same workout over and over again for the past several months, your body will start to get used to it and you may not burn as many calories the first time around.
For instance, let's say you started running on the treadmill for 1 kilometer every day for 7 days a week. Let's say you are able to burn 100 calories the first week. But by the end of second week, you may only burn 90 calories instead of 100, losing 10% of the calories burnt. Then, maybe 80 calories the third week and so on. Get the point?
So, if you ask me, I would suggest switching up your workout routine and your body will not get used to just one thing and will work harder to burn calories. For example, do treadmill for a few days, and then switch to elliptical machines after a few days and then do some stair climbing after that. That way, it will prevent you from reaching plateau.
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