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"Fitness" is a fairly broad term, but I'd provide a boiled down definition that it means your body's ability to handle physical exertion. Exertion comes in all shapes and sizes (moving a piano, walking across a city, etc), so being "fit" enough to do those things depends on the type of training and conditioning you're doing. Most people want to train in ...


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As Eric put it, sweat happens when your body needs to lower its temperature. Sweating is not necessarily a good indicator of how many calories we burn, it is tied to it to some degree though. People will often tell you that when you break a good sweat during workout, you did just fine! But the truth is that you can sweat quite a bit in sauna, and after you ...


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We sweat when our body has excess heat that it can't get rid of. If you are exercising in cold weather, your body can easily dump excess heat into the cold environment. If it's hot, however, it can't do that, so it tries to dump heat through sweating and having the water evaporate, removing heat from your body. Sweating as also a trained reaction; athletes ...



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