A crash diet is where a being willfully restricts themselves of all nourishment (except water) for more than 12 hours. The desired result is to have the shaft burn fat for forcefulness with the goal of losing a representative lot of gross in a curtailed time. Generally the burden lost in a crash diet returns when normal eating resumes.

Weight loss, for example, accompanied by early satiety, bilious vomiting of partially undigested food, postprandial epigastric pain and eructation may indicate Superior Mesenteric Artery Syndrome. Pressure loss accompanied by insatiable thirst and hunger and fatigue may indicate diabetes mellitus, a chronic disease characterized by an mutant accumulation of carbohydrates in the bloodstream due to Fat Loss insufficient production of insulin, a hormone produced in the pancreas that, when secreted into the bloodstream, permits cellular metabolism and utilization of glucose.