If you work at a desk job, you may need to work harder to ward off extra weight.

Sitting for more than 6 hours per day can significantly increase a person's risk of becoming overweight or obese, a study of 1,500 men revealed recently. Fight back against a sedentary desk job by taking frequent walking breaks, exercising at lunchtime, and walking or biking to work whenever safely possible.

Maintain your weight and body mass index at a desirable level