Thursday, August 9, 2007

Diet food could actually fuel obesity

Diet food 'may fuel obesity risk' BBC News 8/8/07 "...In tests on young rats, animals given low-calorie versions of foods were induced to overeat, whether they were lean or obese.
The researchers believe low-calorie versions of usually high-calorie foods disrupt the body's ability to use taste to regulate calorific intake...Lead researcher Professor David Pierce said: "Based on what we've learned, it is better for children to eat healthy, well-balanced diets with sufficient calories for their daily activities rather than low-calorie snacks or meals"...older, adolescent rats also fed diet foods did not show the same tendency to overeat...researchers believe the older rats did not overeat because they, unlike the younger rats, were able to rely on a variety of taste-related cues to correctly assess the energy value of their food.
In contrast the younger animals learned to match tastes usually associated with food high in calories with low-fat alternatives, and so carried on eating to try to get their calorie count up when in fact it had already reached a healthy level..."

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