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Australian scientists have shown for the first time that even modest weight loss reverses many of the damaging changes often seen in the immune cells of obese people, particularly those with Type 2 diabetes.

The immune system is made up of many different kinds of cells that protect the body from germs, viruses and other invaders. These cells need to co-exist in a certain balance for good health to be maintained. Many factors, including diet and excess body fat, can tip this balance, creating immune cells that can attack, rather than protect, our bodies.

It has been known for some

One year after weight loss surgery with laparoscopic gastric banding, extremely obese adults demonstrate not only better physical health but also improved psychological health, a new study shows.

"Surgical treatment, such as laparoscopic gastric banding, is increasingly recognized as the most effective means of achieving weight loss and improving blood sugar control in morbidly obese patients with Type 2 diabetes," said study co-author Andrew Johnson, MD, of Southmead Hospital in Bristol, U.K. "However, until now, the long-term psychological status of morbidly obes