Originally published September 23 2005
Vegan diet causes weight loss, study shows
by Mike Adams, the Health Ranger, NaturalNews Editor
In a study in the American Journal of medicine, overweight women assigned to eat a low-fat vegan diet with no guidelines for exercise, calorie-counting or portion limits lost an average of 13 pounds in 14 weeks , compared to women given a moderate low-fat diet, who lost only an average of eight pounds in the same time period.
A low-fat vegan diet causes significant weight loss, even without exercise, calorie-counting, or portion limits, according to a study conducted by PCRM researchers and published in the September 2005 American Journal of Medicine.
Sixty-four overweight women were randomly assigned to either a low-fat, vegan diet or a more moderate low-fat (control) diet based on National Cholesterol Education Program guidelines.
The vegan group lost an average of 13 pounds in 14 weeks, compared with 8 pounds for the control group.
The weight loss of the vegan group was partly attributable to the low calorie content of plant-derived foods.
In addition, the vegan group showed a 16% increase in its after-meal calorie-burning speed, referred to as the thermic effect of food.
This, in turn, appears to be due to the fact that the vegan diet improved insulin sensitivity by 24%.
Improved insulin sensitivity allows nutrients to more rapidly enter the cells of the body to be converted to heat, rather than to fat.
Related reports have described the acceptability of the diet and its effects on nutrient intake.
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