But the most common reason for the lack of weight is fundamentally wrong way of life. Inconvenient work schedule, night shifts, lack of healthy sleep, poor diet, life is "coffee and cigarettes" can lead to depletion of the body and excessive thinness. If you expose yourself to such stress is constant, then it is likely that then have to gain weight back to normal, but it's pretty hard for nervous exhaustion. From lack of sleep, even fat people begin to lose weight.
Also, excessive thinness may occur after severe stress to the body or the mind of man. For example, after a strict diet or fasting, despite the return to a normal diet, a person can continue to continue to lose weight rapidly. The same thing can happen after a heavy psychological stress.
Therefore it is necessary to distinguish between pathological and natural thinness. Pathological thinness is progressing, despite adherence of the day and the right nutrition, and most likely talking about a serious illness. It is usually accompanied by apathy, "merzlyavostyu" fatigue. In this case, you must consult a doctor and undergo a serious medical examination.
Another reason for excessive thinness - starting anorexia - a very common disease among young girls who want to be like top models.
Whatever the cause or causes a lack of weight, this must be fought. To compensate for the lack of weight, you need to constantly keep track of your daily routine. Average time healthy sleep - 8 hours. During this time the body has time to take a break from a hard day we live and configured to perform a new job. It is also necessary to normalize your diet. Five meals you protect yourself from overeating and hunger. Only it should not be just a snack at a convenient time, and a full meal that contains all the necessary body substance. Help you gain muscle mass will help exercise. But do not deplete your body daily workouts, as this may lead to more health problems.