Increased warmth in our lives is increasing our weight. Over the last three decades, houses have got warmer with improved insulation and better heating. And as temperatures increase, the body burns less energy to stay warm. Any increase in environmental temperature from 15 degrees to 28 degrees progressively reduces calories expended. And the replacement of sheets and blankets with the smothering warmth of a doona doesn't help. So there you go. Before you forget go and turn off your heaters, open the windows and put on skimpy clothing.
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