1. Your bathroom scale isn’t lying: You really are gaining winter weight. Consider it an unmistakable reminder that long before we were regularly bombarded by ads featuring the immaculate abs of celebrities and multi-day cleanses that taste like grass clippings, our ancestors needed those extra couple of pounds to protect them against the season’s inclement weather. From an evolutionary standpoint, it’s why that extra helping of pasta, that greasy slice of pizza, or even that stale, sprinkled donut all appear extra tempting when the temperature drops a few degrees. 

    Explained: Why we get so fat during the winter