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...until it's clarified that you have to be really active to be really healthy.
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I disagree. Heavy exercise puts oxidative stress on the body, as well as straining the immune system, joints, etc. I'd have to say being
somewhat active might be what you were getting at.
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Eating meat or whatever low carb food at your desk is not going to result in wonderful blood tests and if it does then I'm at a loss.
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It happens and there are plenty of examples. While exercise has been shown to
help improve insulin sensitivity, controlling insulin by diet alone is more than adequate to get one's lipid profile in line.
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Taking an hour of step class or aquacise a couple times a week is not enough.
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Why not? Says who?
I don't argue that some strength training and a li'l cardio is healthy. But you seem to be operating from the standpoint of having a body full of carbs that need to be burned off. When it comes to exercise, "enough is as good as a feast."
Here's my exercise routine: I do light strength training a few times a week. Barely work to failure, barely feel any soreness. My cardio? Walking home from the grocery store with 20 lbs of food in a backpack. I also walk to and from work, though that doesn't really qualify as 'cardio.' But I'm in near perfect health, I haven't had a cold in ages, I sleep like a baby, my blood tests are squeaky clean, and I'm fit enough to toss cases of beer around at work and run up the stairs two at a time without getting winded.
Sorry to make this a total 'me' post, but I just don't see how doing tons of exercise when you have no interest in it makes your quality of life any better than just doing
some.