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The findings are based on a 32year study as part of the Framingham Heart Study, the most extensive long-term health study ever undertaken. Dr. Kelly Brownell, director of the study, says, “the harmful effects of yo-yo dieting may be equal to the risks of remaining obese.”
The key to good health is not to gain excess weight in the first place, added Virginia Cooperative Extension specialist Kathleen Stadler.
Individuals with great changes in weight are 25 percent to 100 percent more likely to be victims of heart disease and premature death than those whose weight remains stable, according to Dr. Brownell. This is true whether the person is thin or obese.
The increased risk of death may be due to changes in other factors that influence coronary risk, such as cholesterol levels. In addition, when someone loses weight, the person loses both fat and lean body mass. During weight regain, the person regains mostly fat, which usually settles around the abdomen. Fat in the abdominal area increases risk for coronary heart disease.
95.3%