People give lot of important to appearance nowadays. At present it is very crucial how your appearance is in front of public and many people judge you based on dress you wear and your personality. Thus, people focus too much on body shape and weight. In previous days, women were very much concerned about body structure and weight but at present even men have starting giving much importance to it. So, there is an increasing awareness on how to maintaining the body structure and fitness. There are many eating habits and diet routines suggested by fitness experts and health counselors but no one realized the negative impact of crash diet on their body.