These effects have been pretty well studied and while there are some small changes the body can make they are not significant. If you eat fewer calories you wil

These effects have been pretty well studied and while there are some small changes the body can make they are not significant. If you eat fewer calories you will lose fat. "when you lose weight in this mode your body begins to break down fat and eventually muscle. This is not a desired state for your body. " For the average american this is a highly desirable state. Almost all of us would be much healthier with a reduced calorie diet, with our bodies breaking down our excess fat. The effect of muscle loss is overstated. There are many obese and out of shape people who paradoxically point to "muscle loss" as a reason for not eating healthy, but people who actually understand muscle -- bodybuilders -- are very familiar with bulking and cutting cycles. This is a very well understood dynamic.