I use ellipticals. My knees love me for it. It takes me a bit longer to get my heart rate up there (as compared to a tread mill), but that's a pretty minor issue. I still use a tread mill every once in a while for variety.
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I feel sorry for people who don't drink. When they wake up in the morning, that's as good as they're going to feel all day.
-Frank Sinatra
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