Latest fad or amazin brain gimmick

Latest fad or amazin brain gimmick. This is a shame because I have noticed from my experience as a fitness instructor that the good intentions are there but when these fads yield results they are not long term weight loss results. Soon after the results are achieved, the weight that was lost is now back! This is always a hard pill to swallow and the dieter will have to start from square one again. Because results were achieved by this fad or number one keto gimmicky diet before,..