A worrying fact is that a quarter of children are classed as overweight before they are old enough to start school. That figure is one in three through the time they enter secondary school at the age of 11.
Obesity can be related to a range of health troubles including diabetes, heart and liver disease and even cancer. In less than a decade because 1999 the number of doctors prescriptions for obesity drugs rose from 127,000 to more than a million.
And now the insurance companies are going to make the fatties pay.
The torso Mass Index (BMI) is the tool used to calculate whether a person is of 'normal' proportions, or 'overweight', or 'obese', which is anyone with a BMI of over 30. This is the figure at which many indemnity companies start charging up to 50 per cent higher premiums. In the past a BMI nearer 40 was used, but as it became clear how serious Britain's obesity problem was, the figure was lowered to 30. However, they might decide to drop lower still, heading closer to the 25 mark where the 'overweight' category starts.
If you are obese and also have other high-risk elements such as being a smoker or suffering from certain medical conditions, the increase in the cost of your premiums could soar to a staggering 400 per cent!
An example for 150,000 pounds of life cover for a 55-year old man in good health, who is a non-smoker of normal weight, is about 1,000 pounds a year. Let him become obese and his 25-year policy could price him 500 pounds more.
Not all insurance companies use the same BMI rate. The second largest insurer, Norwich Union, uses 35 as the figure at which to raise the premium costs, and the third largest, Friends Provident, goes from 33.
Legal & General, Britain's leading insurer, uses a BMI of 30, and said that 13 per cent of new customers would have to pay the higher premiums.
L&G's director of underwriting and claims, Russ Whitworth said, Most individuals interpret that poor diet and lack of exercise can lead to health troubles but they might not realise that being significantly overweight would also make their life insurance more expensive.
'Although it is not an exact science, we obtain that BMI is the best indicator of the risk of being overweight, so it pays to stay in shape.'
The association of British Insurers backs its members decision to charge higher premiums for the obese, claiming that it is no different from charging more for a smoker or somebody with a previous medical condition
Problems could arise for super-fit sportsmen who would have to convince their insurers that their high BMI score is due to building up solid muscle rather than being obese.
It's no point being economical with the truth whenever an application form asks for your height and weight. In the event of a claim, the company won't pay out when it catches you out in a lie.
The Financial Ombudsman Service says it incessantly throws out instances where a claim has been rejected for this reason.
Recently a man of 37 claimed on his application to be six foot tall and to weigh 16 stone. If he died of a blood clot five months more recent it turned out he was only 5 foot nine inches tall and five stone heavier. Needless to say there was no pay out. His premiums would have increased through 275 per cent when his true details had been known, but his claim would have been valid.
The Financial Ombudsman ruled that there was such a difference between what he put on the form and what he actually careful that it couldn't have been a mistake.
Matt Morris, a policy adviser at specialist financial advisers Life Search, explained, 'In an ideal world, insurers want the healthier clients. There is an element of cherry picking. They don't want the burden of the heavier client.'
The Prudential is doing something to assistance. It now offers free gymnasium membership, and whenever you use it at least twice a week you get a 2.25 per cent discount as well.
Uchenna Ani-Okoye is an internet marketing advisor
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