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Speed of eating is "key to obesity"

Posted on Wednesday, October 22, 2008 at 05:00PM by Registered CommenterPennino Corp. CEO | CommentsPost a Comment | References22 References

Speed of eating 'key to obesity'

Wolfing down meals may be enough to nearly double a person's risk of being overweight, Japanese research suggests.

Osaka University scientists looked at the eating habits of 3,000 people and reported their findings in the British Medical Journal.

Problems in signalling systems which tell the body when to stop eating may be partly responsible, said a UK nutrition expert.

He said deliberately slowing down at mealtimes might impact on weight.

 

The latest study looked at the relationship between eating speed, feelings of "fullness" and being overweight.

Just under half of the 3,000 volunteers told researchers they tended to eat quickly.

Compared with those who did not eat quickly, fast-eating men were 84% more likely to be overweight, and women were just over twice as likely.

Those, who, in addition to wolfing down their meals, tended to eat until they felt full, were more than three times more likely to be overweight.

Stomach signals

Professor Ian McDonald, from the University of Nottingham, said that there were a number of reasons why eating fast could be bad for your weight.

He said it could interfere with a signalling system which tells your brain to stop eating because your stomach is swelling up.

He said: "If you eat quickly you basically fill your stomach before your gastric feedback has a chance to start developing - you can overfill the thing."

He said that rushing meals was a behaviour that might have been learned in infancy, and could be reversed, although this might not be easy.

"The old wives' tale about chewing everything 20 times might be true - if you did take a bit more time eating, it could have an impact."

Read the rest of the article:

http://news.bbc.co.uk/2/hi/health/7681458.stm

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