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Abdominal fat linked to higher death rate in men, new study shows
April 04, 2006KINGSTON, Ont.-A new study by Queen's University researchers shows for the first time that visceral fat in the abdomen is directly associated with a higher risk of mortality in men.
According to Physical and Health Education doctoral student Jennifer Kuk, who is the first author of the study, these findings underline the importance of measuring abdominal fat to predict the risk of future disease and mortality. "This reinforces the need to target visceral fat in therapeutic strategies for dealing with obesity," she says. "Body weight alone is not a sufficient indicator of risk."
Since visceral fat is strongly correlated with waist circumference, the researchers recommend that waist measurement be a routine measure in clinical practice. (At present tests of visceral fat are not available for clinicians in Canada.)
The study, supported by grants from the Canadian Institutes of Health Research and the U.S. National Health Institutes, is published in the on-line edition of the international journal, Obesity Research. Also on the research team are Drs. Robert Ross and Peter Katzmarzyk from Queen's School of Physical and Health Education, and Drs. Milton Nichaman, Timothy Church and Steven Blair from the Cooper Institute in Dallas, Texas.
Using computed tomography (CT) images, the researchers acquired slices of the abdomen to measure visceral, subcutaneous and liver fat in 291 men. They found that visceral fat alone independently predicted risk of mortality.
"We're trying to find out which factors are most associated with disease," says Dr. Ross, noting that earlier studies have shown weight is not the most important indicator. "It's possible to exercise and decrease your risk even though weight may stay the same."
When looking at diet weight loss versus exercise weight loss, those who exercise tend to lose more visceral fat and maintain muscle fat better than those using strictly a diet approach, he points out. "This reinforces the importance of maintaining regular physical activity."
Although the current study was restricted to men, excess abdominal fat is a risk factor for women as well, says Ms Kuk. "For both men and women we need to stress the importance of physical activity and measuring your waist. The emphasis of obesity reduction strategies should move away from diet alone and from focusing solely on body weight."
Queen's University
The study, supported by grants from the Canadian Institutes of Health Research and the U.S. National Health Institutes, is published in the on-line edition of the international journal, Obesity Research. Also on the research team are Drs. Robert Ross and Peter Katzmarzyk from Queen's School of Physical and Health Education, and Drs. Milton Nichaman, Timothy Church and Steven Blair from the Cooper Institute in Dallas, Texas.
Using computed tomography (CT) images, the researchers acquired slices of the abdomen to measure visceral, subcutaneous and liver fat in 291 men. They found that visceral fat alone independently predicted risk of mortality.
"We're trying to find out which factors are most associated with disease," says Dr. Ross, noting that earlier studies have shown weight is not the most important indicator. "It's possible to exercise and decrease your risk even though weight may stay the same."
When looking at diet weight loss versus exercise weight loss, those who exercise tend to lose more visceral fat and maintain muscle fat better than those using strictly a diet approach, he points out. "This reinforces the importance of maintaining regular physical activity."
Although the current study was restricted to men, excess abdominal fat is a risk factor for women as well, says Ms Kuk. "For both men and women we need to stress the importance of physical activity and measuring your waist. The emphasis of obesity reduction strategies should move away from diet alone and from focusing solely on body weight."
Queen's University
Visceral Fat Current Events and Visceral Fat News RSSExercise Keeps Dangerous Visceral Fat Away a Year After Weight Loss, Finds UAB Study
A study conducted by exercise physiologists in the University of Alabama at Birmingham (UAB) Department of Human Studies finds that as little as 80 minutes a week of aerobic or resistance training helps not only to prevent weight gain, but also to inhibit a regain of harmful visceral fat one year after weight loss.
Canadian scientists link fat hormone to death from potentially deadly blood infection
A new Canadian study has found that lower-than-normal levels of a naturally-occurring fat hormone may increase the risk of death from sepsis-an overwhelming infection of the blood which claims thousands of lives each year.
Children with fatter midsection at increased risk for cardiovascular disease
Children with more fat around their midsections could be at a higher risk of developing cardiovascular disease later in life, researchers say.
New research links social stress to harmful fat deposits, heart disease
A new study done by researchers at Wake Forest University School of Medicine shows that social stress could be an important precursor to heart disease by causing the body to deposit more fat in the abdominal cavity, speeding the harmful buildup of plaque in blood vessels, a stepping stone to the number one cause of death in the world.
Action of ghrelin hormone increases appetite and favors accumulation of abdominal fat
The ghrelin hormone not only stimulates the brain giving rise to an increase in appetite, but also favours the accumulation of lipids in visceral fatty tissue, located in the abdominal zone and considered to be the most harmful.
New study finds Power Plate exercise aids in weight loss, reduction of harmful visceral fat
New research presented at the 17th European Congress on Obesity (ECO) suggests that exercise done on Power Plate® vibration plate exercise machines in conjunction with a healthy diet may help people lose weight and trim harmful belly fat.
Study: Vibration plate machines may aid weight loss and trim abdominal fat
New research suggests that, if used properly, vibration plate exercise machines may help you lose weight and trim the particularly harmful belly fat between the organs.
Depression linked with accumulation of visceral fat
Numerous studies have shown that depression is associated with an increased risk of heart disease, but exactly how has never been clear.
Even modest exercise can reduce negative effects of belly fat
A new University of Illinois study suggests that moderate amounts of exercise alone can reduce the inflammation in visceral fat--belly fat, if you will--that has been linked with metabolic syndrome, a group of risk factors that predict heart disease and Type 2 diabetes.
Reducing sugar and increasing fiber intake may improve diabetes risk factors in Latino teens
Reducing sugar intake by the equivalent of one can of soda per day and increasing fiber intake by the amount equivalent to one half cup of beans per day appears to improve risk factors associated with type 2 diabetes in Latino adolescents.
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