(Guest Post) Many people trying to lose weight find that losing weight is not the hardest part of the whole process; the most challenging part is maintaining the required weight once you succeed in weight loss. Keeping your weight in check is difficult and requires determination, discipline and commitment. Furthermore, it is a lifetime challenge that you have to keep dealing with. This is the reason that some people give up and soon, they gain weight again. When this happens the real challenge comes in. Losing weight once you have regained it is quite difficult for several reasons. When you try to lose weight for the first time, it is inevitable that you will lose some muscle as well. You total body lean mass reduces. The situation gets worse in people who resort to extreme weight loss techniques such as starvation and fasting. When you lose muscle, the body basal metabolic rate goes down as well. Muscles are important in maintaining a high BMR which helps in burning calories even when...