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obese people don't have a lack of willpower - study reveals it is their brain cells that are to blame
Last updated at 9:56 AM on 9th September 2010
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Scientists say crucial brain circuits begin to form early in life so people may have a tendency towards obesity even before they eat their first meal (posed)
An international study has discovered why some people who eat a high-fat diet remain slim, yet others pile on the weight.
Researchers found in some people a high-fat diet causes the brain cells to become insulated from the body.
This prevents vital signals, which tell the body to stop eating and to burn calories through exercise, from reaching the brain.
The team from Monash University, Australia, said the findings provide a critical link in addressing the obesity epidemic.
Lead author Professor Michael Cowley, said: 'These neuronal circuits regulate eating behaviours and energy expenditure and are a naturally occurring process in the brain.
'The circuits begin to form early in life so that people may have a tendency towards obesity even before they eat their first meal,' he said.
Eating a high fat diet causes more 'insulation' in the nerve cells, and makes it even harder for the brain to help a person lose weight.
Professor Cowley said: 'Obese people are not necessarily lacking willpower. Their brains do not know how full or how much fat they have stored, so the brain does not tell the body to stop refuelling. Subsequently, their body's ability to lose weight is significantly reduced.'
Professor Cowley and his team collaborated with scientists from the Yale School of Medicine in the U.S, as well as teams from Cincinnati, New Jersey, Mexico and Spain.
For a period of four months, the researchers monitored the eating and body composition of groups of mice and rats. They found that those with a neural predisposition to obesity gained 30 per cent more weight compared to six per cent of the group with obesity-resistant cells.
Health> Health Directory> Obesity
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Read more: http://www.dailymail.co.uk/health/article-1310421/Obese-people-dont-lack-willpower--brain-cells-blame.html#ixzz0z1RIK2F7
Last updated at 9:56 AM on 9th September 2010
Comments (0)
Add to My Stories
Scientists say crucial brain circuits begin to form early in life so people may have a tendency towards obesity even before they eat their first meal (posed)
An international study has discovered why some people who eat a high-fat diet remain slim, yet others pile on the weight.
Researchers found in some people a high-fat diet causes the brain cells to become insulated from the body.
This prevents vital signals, which tell the body to stop eating and to burn calories through exercise, from reaching the brain.
The team from Monash University, Australia, said the findings provide a critical link in addressing the obesity epidemic.
Lead author Professor Michael Cowley, said: 'These neuronal circuits regulate eating behaviours and energy expenditure and are a naturally occurring process in the brain.
'The circuits begin to form early in life so that people may have a tendency towards obesity even before they eat their first meal,' he said.
Eating a high fat diet causes more 'insulation' in the nerve cells, and makes it even harder for the brain to help a person lose weight.
Professor Cowley said: 'Obese people are not necessarily lacking willpower. Their brains do not know how full or how much fat they have stored, so the brain does not tell the body to stop refuelling. Subsequently, their body's ability to lose weight is significantly reduced.'
Professor Cowley and his team collaborated with scientists from the Yale School of Medicine in the U.S, as well as teams from Cincinnati, New Jersey, Mexico and Spain.
For a period of four months, the researchers monitored the eating and body composition of groups of mice and rats. They found that those with a neural predisposition to obesity gained 30 per cent more weight compared to six per cent of the group with obesity-resistant cells.
Health> Health Directory> Obesity
Print this artic
Read more: http://www.dailymail.co.uk/health/article-1310421/Obese-people-dont-lack-willpower--brain-cells-blame.html#ixzz0z1RIK2F7
Lost - do you believe all this ? My opininion is that when we overeat, even as children, we develop fat cells and those fat cells keep screaming 'feed me, feed me' and we do, People who have never been overweight probably will never be. I have seen people eating potato chips and remain thin. Why? Because they dont eat the whole bag. I think even if we are predisposed, it is up to us to control or not.