What is dangerous diet?

Consider the most harmful consequence of a rigid diet - fast and significant weight loss. When a person loses weight rapidly, he loses in the first place is not fat, and water located within the body and muscle mass, all these factors negatively affect the human heart. With the rapid decrease in muscle mass, the heart becomes weaker and with great difficulty carries the load. Therefore, during the diet should limit the load in the gym, fitness and aerobics. Not recommended for weight loss herbal teas (which have a laxative effect), and laxatives. They literally washed out of intestinal nutrients and gut microflora, which can cause severe bacteria overgrowth, in addition, constant use of laxatives will weaken bowel motility syndrome ("lazy bowel). At constant diarrhea, which causes laxatives, muscle, intestine practically do not work, resulting eventually weaken, which may result from constipation after you stop taking laxatives, the restoration of intestinal motility also may take many months. In this case, you must increase your intake of fiber (fresh, frozen and pickled vegetables, fruits, dried fruits, bran), they improve peristalsis. Absolutely can not ever have just one thing (apple diet, kefir, buckwheat, carrot). One product does not contain the full range of components needed for the body to function properly. Hair, teeth, bones need calcium, which, in turn, will not be metabolized without vitamin D. Vitamin C is responsible for the state of the immune system, while iron deficiency may develop anemia. Therefore, the diet should include a varied diet, rich in vitamins and trace elements. On the protein diet (on Atkins) are allowed to sit very short time, slizhkom heavy load on the kidneys. Carbohydrate diet is contraindicated in diabetics, as carbohydrates greatly increase the amount of sugar in the blood. Should not be abused and "the Kremlin" diet, adhering to the diet, increasing the consumption of meat, we accumulate excess fat in the body, had a destructive effect on the immune system and promotes the formation of cancer (breast, uterus, abdominal cavity). So should be thin, but the sick?