I am addressing the article's statements about mice not loosing weight despite changing their diet and exercising. the length of time they loose the weight is

I am addressing the article's statements about mice not loosing weight despite changing their diet and exercising. the length of time they loose the weight is less important, and the fact that the reason why they put the weight back on after reverting to their previous habits only works against the article that argues the obese may be at the mercy of their genes - diet and exercise wont help them.