 You know what they say, everything old is new again. You know what people are buying more and more of? Old push reel mowers. They're making a comeback. Why? Well, there's no emissions, no gas, no oil, and they're a cardiovascular workout. By mowing your lawn, you can burn anywhere from 300 to 500 calories each time you cut the grass. For more information, go to HowSmartRadio.com.