According to the World Cancer Research Fund, a surprising 44 of men having a waist measurement of more than 94cm (37in). For Asian men, the healthy maximum is 90cm (35in).
So while the common perception is that men are more likely to put on weight on their stomachs, the scientists' findings suggest that it's actually women who are most at risk.
A large body of studies suggest a large waistline increases your risk of several cancers (including breast, bowel, pancreas and womb cancer), so if all that eating and drinking over Christmas means yours has exceeded 80cm then it's time to shift some of that weight.
First, make sure your measure your waist correctly and accurately. The point you should be measuring is half way between the bottom of your lowest rib and the top of your hip bone. Breathe out, and make sure the tape isn't twisted and isn't pinching your skin.