Deep Belly Fat in Women Raises Diabetes & Cardiovascular Disease Risk

by Ramya Rachamanti on  September 9, 2019 at 9:36 PM Women Health News
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Deep belly fat or visceral fat is a main risk factor for developing diabetes and cardiovascular disease, especially among women, according to a study from Uppsala University done on 325,000 participants.
Deep Belly Fat in Women Raises Diabetes & Cardiovascular Disease Risk
Deep Belly Fat in Women Raises Diabetes & Cardiovascular Disease Risk

Moreover, the scientists investigated how our genes affect the accumulation of fat and present a new, simpler method to estimate the amount of deep belly fat.

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In the new study, published in Nature Medicine, the scientists took it one step further and showed, using genetic data, that there is an actual causal relationship between visceral fat and increased risk of diabetes, heart attack, hypertension and hyperlipidemia.

The scientists developed a method to more easily estimate visceral fat content. The method is not only useful for research purposes, but may also be useful in health care.

"To measure the amount of visceral fat, advanced and costly diagnostic imaging techniques are required. We have developed a simple method which instead estimates an individual's amount of deep belly fat from other parameters, more easily measured than the visceral fat itself, and the method can therefore be used in most clinics," says Dr. Torgny Karlsson, statistician at the Department of Immunology, Genetics and Pathology, Uppsala University, and one of the leading researchers of the study.

The method also enabled the researchers to study the effects of visceral fat on a much larger scale than before.

"We were surprised that visceral fat was more strongly linked to risk of disease in women compared to men," says one of the co-authors, Dr. Åsa Johansson, associate professor of molecular epidemiology at the Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University.

"Adding an extra kilogram of visceral fat can increase the risk of type 2 diabetes more than seven times in women, while the same amount of fat accumulation only increases the risk a little more than two times in men," says Dr. Johansson.

The scientists also found that the risk of disease increases most rapidly in people with small or moderate amounts of deep belly fat, but that it does not increase nearly as much if a person with large amounts of fat in the abdomen puts on additional fat.

"Nonlinear effects like this are very interesting to study and may help us to understand the biology behind the link between visceral fat and disease," says Dr. Karlsson.

The scientists also examined millions of positions in the genome to identify genes that affect the amount of visceral fat, and found more than two hundred different genes. Among these, there was a large proportion of genes that are linked to our behaviour, which suggests that the main contributor to abdominal obesity is, after all, that we eat too much and exercise too little.

However, there are individual differences in how the fat is distributed in the body, and a person who appears not to be overweight may still have accumulated a harmful amount of visceral fat.

"The findings of this study may enable us to simplify measurements of visceral fat, and thus more easily identify people at high risk of developing diabetes and cardiovascular disease," says Dr. Karlsson.

Source: Eurekalert

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