La obesidad

The obesity is the disease in which the natural reservations of energy, stored in the adipose fabric of the human beings and other mammals, it increases up to a point where it is associated with certain conditions of health or an increase of the mortality. It is characterized by an index of corporal mass. It forms a part of the metabolic syndrome. It is a factor of risk known for chronic diseasesas cardiac diseases, diabetes, arterial hypertension, and some forms of cancer. The evidence suggests that it is a question of a disease with origin multifactorial: genetic, environmental, psychological, between others. It is characterized by the excessive accumulation of fat in the body.
It is a chronic disease originated by many you cause and with numerous complications, the obesity ischaracterized by the excess of fat in the organism and appears when the index of corporal mass in the adult is major of 30 kg / m ² according to the WHO (World Health Organization).
Previously the person was considered by overweight as a person who was enjoying good health, nevertheless now it is known that the obesity has multiple negative consequences in health. Nowadays it is accepted that theobesity is a causal factor of other diseases as they it are the cardiovascular, dermatological, gastrointestinal, diabetic sufferings, osteoarticulares, etc.
The first step to know if obesity exists or not, is to know the index of corporal mass (IMC), which is obtained doing a calculation between the stature and the weight of the individual and this one risen up to the square.
Though the obesity isa clinical individual condition it has turned into a serious problem of public health that goes in increase: one has seen that the corporal excessive weight predisposes for several diseases, particularly cardiovascular diseases, diabetes mellitus type 2, apnea of the dream and osteoartritis.
Factors of risk and associate morbidities
The presence of factors of risk and disease associated withthe obesity also is used to establish a clinical diagnosis. The coronariopatía, the diabetes type 2 and the apnea of the dream are factors of risk that constitute a danger for the life that might indicate a clinical treatment for the obesity. Habit tabáquico, hypertension, age and familiar history are other factors of risk that might indicate treatment.

Lifestyle
Most investigators haveconcluded that the combination of an excessive intake of nutrients and sedentary lifestyle are the main cause of the rapid acceleration of obesity in Western society in the last quarter century.
Despite the wide availability of nutrition information in schools, offices, Internet and grocery stores is evident that the excess consumption remains a significant problem. For example, confidence in theenergy-dense fast food, has tripled between 1977 and 1995, and calorie consumption quadrupled in the same period.
However, the consumption of food by itself is insufficient to explain the phenomenal rise in obesity rates in the industrialized world in recent years. An increase in sedentary lifestyle also has a significant role to play. More and more research into childhood obesity, for example, readingsuch things as running in the school with current high levels of this disease.
Questions about lifestyle, less well established, which may influence obesity include mental stress and insufficient sleep.
Exercise
Exercise requires energy (calories). Calories are stored in body fat. The arrival body fat reserves to provide energy during prolonged aerobic exercise. The larger muscles in the bodyare the muscles of the legs and naturally these burn the most calories, which makes walking, running and cycling are among the most effective forms of exercise to reduce body fat.
A meta-analysis of randomized controlled trials conducted by the international Cochrane Collaboration found that "exercise combined with diet results in greater weight loss than diet alone."
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