Percentages on the Genetic Cause for an overweight individual's inability to lose weight range from 4% across various ethnic groups, to 25 - 40% within obese families, to about 70% with identical twins. To blame genetics is fuelled in part by observations of obese people not generating the same amount of body heat as lean individuals, and that those with a weight problem are less likely to burn calories through frequent small body movements, but are rather sitting still for a much longer period of time in comparison to their thinner counterparts. The most effective treatment for Morbid Obesity - to reach and maintain significant weight loss - remains surgery... Full Text