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Exercise your talking about burning an additional several hundred calories per hour.
If you go for a leisurely walk you burn more calories than watching TV, but your heart rate doesn't shoot up and you don't sweat from it.
Every time a neuron fires, it requires energy. Different areas of the brain get activated which were relatively inactive before, depending on what sort of thought it is engaged in. Its not just different patterns, it more total activity (just like you see in all those MRI scans, where different areas "light up")
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Originally Posted by Piwoslaw
A few months ago I returned home just as my neighbor pulled into his driveway. It was cold (around freezing) with some rain and sleet, and he yells to me: You rode your bike? In this weather?!?
So the other day we both returned home at the same time again, only now the weather is warm, sunny, with no wind. And I yell to him: You took the car? In this weather?!?
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