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Times of india
13 January 2012
Hormone in gut curbs appetite, can fight flab

An appetite–curbing hormone found in the gut may help overweight and obese people shed weight, lower blood pressure and reduce cholesterol levels, according to a study released on Wednesday.

The Guts To Lose Weight

Known as glucagon–like peptide–1, or GLP–1, the hormone is naturally secreted from the intestine when we eat. Doctors have begun to use GLP–1 to treat patients with type 2 diabetes due to the molecule’s ability to regulate sugar levels in the blood.
But they also noticed that the hormone appeared to make patients less hungry, raising the question of whether it could work as a treatment for obesity. A team of researchers led by Tina Vilsboll of the University of Copenhagen designed a study to find out. Reviewing medical literature, they analyzed the results of 25 clinical trials involving over 6,000 patients who had been given GLP–1.

Patients with and without diabetes who received a minimum dosage for at least 20 weeks showed greater weight loss than control groups, they reported in the British Medical Journal. There was also improvement in blood pressure, cholesterol and glycaemic control, the process by which the body adjusts the impact of carbohydrates on blood sugar levels.

The findings provide “convincing evidence” that GLP–1 “results in clinically relevant beneficial effects on body weight” for obese patients, the researchers concluded.

“Additional beneficial effects on blood pressure and total cholesterol might also be achieved.”
The treatment had side–effects in some patients, including vomiting, nausea and diarrhoea. AFP

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