Then there is plenty of evidence that shows how physical activity improves health – blood pressure, lung and heart function, cholesterol (lipid) profiles, insulin sensitivity, muscle and bone strength, and so forth. These studies even challenge the notion that weight loss should be a focal point for people who are exercising. They suggest that it is better to be fit, even if you are overweight, than it is to be within normal weight and unfit or inactive. However, this did not feature at all in the article.
via The Science of Sport: Exercise and weight loss.
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