Around one in four men and one in three women in the UK are overweight, according to government statistics.
While slightly more women than men are obese (24 per cent versus 23 per cent), in the last ten years there has been a greater increase in the number of men who are obese.
The Department of Health predicts that if this trend continues, by 2010 around 6.6 million men will be obese compared to 6 million women.
Stomach obesity, where weight is concentrated on the tummy, is the most common type of obesity and affects 30 per cent of adult men.
Obesity and stomach obesity are rapidly increasing, especially in young people.