(Agencies)
Updated: 2008-02-05 11:42

The results counter the common perception that preventing obesity will save health systems worldwide millions of dollars.

"This throws a bucket of cold water onto the idea that obesity is going to cost trillions of dollars," said Patrick Basham, a professor of health politics at Johns Hopkins University who was unconnected to the study. He said that government projections about obesity costs are frequently based on guesswork, political agendas, and changing science.

"If we're going to worry about the future of obesity, we should stop worrying about its financial impact," he said.

Obesity experts said that fighting the epidemic is about more than just saving money.

"The benefits of obesity prevention may not be seen immediately in terms of cost savings in tomorrow's budget, but there are long-term gains," said Neville Rigby, spokesman for the International Association for the Study of Obesity. "These are often immeasurable when it comes to people living longer and healthier lives."

Van Baal described the paper as "a book-keeping exercise," and said that governments should recognize that successful smoking and obesity prevention programs mean that people will have a higher chance of dying of something more expensive later in life.

"Lung cancer is a cheap disease to treat because people don't survive very long," van Baal said. "But if they are old enough to get Alzheimer's one day, they may survive longer and cost more."

The study, paid for by the Dutch Ministry of Health, Welfare and Sports, did not take into account other potential costs of obesity and smoking, such as lost economic productivity or social costs.

"We are not recommending that governments stop trying to prevent obesity," van Baal said. "But they should do it for the right reasons."

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