Just because he's losing fat

Posted by blood roses at 3:28pm Aug 27 '09
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doesn't mean what he's doing is healthy. It is entirely possible to be thin and muscular with clogged arteries. Cutting back on carbs is one thing but replacing them with saturated fats (rather than healthy fats and protein) seems like a bad idea.

Also I'm not sure I understand the distinction you're making between "cardio" and "excercise that gets your heart rate up".