How to Lose My Gut

Pot Bellies Linked to Early Signs of Cardiovascular Disease
A large new study shows the larger our waist, the higher the risk for heart disease.

Most of us rely on the bathroom scale to tell us when middle-aged spread is getting out of hand. It might be better to keep a tape measure at the ready. New research shows that adding several inches to the waist—even if body weight still falls within normal range—markedly increases the risk of unhealthy plaque build-up in the arteries of the heart and the rest of the body.
The research, conducted at the University of Texas Southwestern Medical Center in Dallas, appears in the August 21 issue of the Journal of the American College of Cardiology (JACC).
According to the study, the relationship of the waist measurement to the hip measurement was much more closely tied to early, hidden signs of heart disease than other common measures of obesity, such as body mass index (BMI) or the waist circumference alone. In other words, we may obsess about unsightly cellulite on our hips, but it’s the pot belly we ought to worry about.
“In our 30s and 40s, we often gain three to four inches in the midsection,” said James A. de Lemos, M.D., a professor of medicine at the University of Texas Southwester Medical Center. “It’s a day-to-day, meal-to-meal battle, but it’s worth fighting. Even a small pot belly puts us at higher risk when compared o a flat tummy.”
For the study, de Lemos and his colleagues examined data form the ongoing Dallas Heart Study, which is evaluating risk factors for heart disease in a large, multiethnic, urban population with a median age of 45. The new substudy focused on a group of 2,744 participants who had a non-invasive imaging test to look for early signs of plaque build-up in the arteries, which signals an increase risk of developing cardiovascular disease later in life.
Electron-beam computed tomography (EBCT) was used to identify calcium deposits in the arteries of the heart. These deposits indicate the onset of atherosclerosis, or so-called hardening of the arteries, and can detected years before a person experiences chest pain or has a heart attack. Magnetic resonance imaging (MRI) was used to look for early signs of atherosclerosis in the walls of the aorta.
Researchers then examined the relationship between body shape and early signs of arterial disease. They found that the likelihood of calcium being found in the arteries of the heart grew in direct proportion to increases in the waist-to-hip ratio (WHR). In addition, when they divided the WHY into five groups from smallest to largest, they found that people with the largest WHR were nearly twice as likely to have calcium deposits in their coronary arteries as those with the smallest WHR. The likelihood of atherosclerotic plaque in the aorta was three times as high in those with the largest WHR as compared to the smallest.
“The results are most astonishing and may be influence by the age distribution of the study,” Dr. Erbel added. “During life, the likelihood of coronary artery calcium increases more in men than in women. It may be that in an older population, in which the duration of risk factor exposure is longer and the likelihood of coronary artery calcium is higher, the association between obesity—as measures by body-mass index and waist circumference—and signs of early atherosclerosis is stronger.”

Taken from “In Good Health” – September 2007, Issue 25 A Rochester-Genesee Valley Health Care Newspaper

If the Obesity “Socially Contagious” doesn’t get peoples attention, maybe this will.


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