Does Liposuction Get Rid of That Forever?

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Liposuction sounds like the answer to many women's - and men's - prayers: a quick fix for those who cannot lose weight by diet or exercise, or are simply too lazy to bother with either.

But does the fat come back?

A recent study by Teri L. Hernandez and Robert H. Eckel at the University of Colorado School of Medicine have found that the fat eventually returns within one year, and is redistributed to other areas of the body, especially the upper abdomen. There was further redistribution around the shoulders and triceps of the arms.

"The fact that fat returned is of great interest to us as scientists. It supports the idea that levels of body fat are very tightly regulated by mechanisms we have yet to uncover," said Eckel. "This was the hypothesis we were testing and it was confirmed. In rodents when fat is removed it returns, and after weight loss in humans most everyone regains the weight. We think the brain somehow knows how much fat is on board and responds in a manner to regulate that weight. That's why preventing obesity is so important."

Obesity researchers said that they are not surprised the fat came back. Data in animal models have shown that after surgical removal of fat, it tends to return to other areas. The liposuction study performed at the University of Colorado is the first randomized controlled trial in humans.

Journal Reference:

Teri L. Hernandez, John M. Kittelson, Christopher K. Law, Lawrence L. Ketch, Nicole R. Stob, Rachel C. Lindstrom, Ann Scherzinger, Elizabeth R. Stamm, Robert H. Eckel. Fat Redistribution Following Suction Lipectomy: Defense of Body Fat and Patterns of Restoration. Obesity, published online on 7 April 2011; DOI: 10.1038/oby.2011.64

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