The base treatment of obesity is the dietary treatment. But not always dieting is a healthy practice. Some diets are dangerous.

There are several characteristics required diets for weight loss is done in a healthy way, without compromising health. The main characteristic of a diet, it has to be calorie: it must be abundant to be free from hunger, also has to be balanced, providing proportionate amounts carbohydrates, Fats and proteins, vitamins and minerals also. You must include sufficient water, between 1.5 and 2 liters, and without alcohol. But not all diets meet these essential rules. Some diets that promise spectacular results, severely compromise our health.

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Very low calorie diets

Are diets that provide about 500 calories a day. They are usually sold in powder form, bars or shakes. These include proteins required for the body, but provide few carbohydrates, so the body gets its energy needs by burning fat and producing acetone.

Characteristics of low-calorie diets

Lack fiber, For which cause constipation. They always have to be ingested with water. Can cause water retention and cellulite and increase acute uric acid. By providing few calories to the body, it reduces its energy needs and spends much less, which makes weight loss is not as significant as expected.

Vegetarian Diet

It is not specifically a diet, but taking it in temporary spaces of life, is used to lose weight. A vegetarian diet is focused on abstaining from meat and food intake with vegetables. This includes foods such as fruits, vegetables, seeds, nuts and cereals. In itself it is a dangerous diet, but taken to extreme can be harmful if not taken care to eat a lot of different foods. Not only is there a type of vegetarian diet, in this practice there are different types of trends, depending on whether food intake is more limited, or not.

Pure vegetarian diet (vegan)

It consists only of plants: do not eat meat, fish, eggs or milk, or from the animal kingdom.

¤ Carbohydrates and fats derived from this diet are sufficient.
¤ If not properly raised can occur in vitamin B12 deficiency, because there is in plants.
¤ Vitamin B12 deficiency anemia and nervous system.
¤ The iron is decreased in these diets, and levels of the same, they must be regularly monitored.

Ovo-Lacto Vegetarian Diet

Is also based on products of plant origin, but also includes dairy and eggs that are of animal origin. In this way provides good protein of high biological value, calcium, zinc, phosphorus, and vitamin B12 in vegetarian diets extreme deficient.

Diet based on calorie calculation

This diet is to eat all kinds of food, but not beyond a specific number of calories. This diet is ideal, and the basis of all diets produce appropriate professionals. But if knowledge is produced without adequate diet may be a very unbalanced diet.

Hollywood Diet

It is a diet that has fewer than 1,000 calories. There are very few carbohydrates and many proteins. This excess protein is seriously detrimental to the kidney. Main features of the Hollywood diet, Is that it excludes alcohol, sugar, salt and bread.

Diet Prittikin

It consists of cereals, fruits and vegetables. Lack of protein and fat, in addition to vitamin B12, And D, minerals, iron and calcium. It is totally incorrect, because it lacks nutritional foundation, and because it causes disturbances in metabolism.

Shelton Diet

It is a diet that consists of not eating food together different digestive secretions, for example, can not be associated with starch acid or acid with proteins. It is a very unbalanced diet: thins because there are so many combinations banned, you just eat less food.

Astronauts’ diet

The diet of astronauts is a low calorie diet of about 400 to 500 calories a day. It is made from fruit, vegetables, some grilled meat or an egg. It is a very poor diet, deficient in protein, carbohydrates, fats, Vitamins and minerals.

Dissociated Diets

An example of these diets is to eat every day of the week only and exclusively a food, eg fruit on Monday, Tuesday, meat, vegetables Wednesday. These diets alter the rate food and can cause serious digestive disorders considered. In summary, low-calorie diets and overly restrictive diets are dangerous are a health risk and end up taking its toll on the body.