Tuesday, July 12, 2011

Obesity

Obesity is a disease that has accumulated in which excess body fat to such an extent that it may have a negative impact on health, leading to reduced life expectancy and / or increased health problems. Body mass index (BMI) measurement, which compares the size and weight, defined as people who are overweight (obese before), if their BMI is between 25 and 30 kg/m2 and obese if it is greater than 30 kg/m2.
Obesity increases the risk of various diseases, particularly heart disease, type 2 diabetes, breathing problems during sleep, certain cancers, rheumatoid arthritis and osteoarthritis. Obesity is usually caused by a combination of excessive consumption of food, lack of physical activity and genetic vulnerability, although in some cases, caused primarily by genes, endocrine disorders, drugs, or psychiatric diseases. Testimony suggested that some overweight people eat very little weight because of their slow metabolism, support is limited, on average, obese people had a greater energy expenditure than their counterparts in the fine energy required to increase body weight.
Diet and exercise are the mainstay of treatment of obesity. In addition, it is important to improve the quality of food by reducing consumption of energy-rich foods such as fat and sugar, and by increasing consumption of fiber. In addition to this, or in case of failure, anti-obesity medications taken to reduce appetite or prevent fat absorption can be. In severe cases, surgery is performed or a balloon surrounding the volume of the stomach and / or intestines to reduce the length of which occupy more early satiety and reduces the ability of nutrients from food.
Obesity is the leading preventable cause of death worldwide, with an increased prevalence among adults and children, and authorities are considering it as one of the most serious public health challenges of the 21st Century. [Obesity is in many parts of the modern world, stigmatized (especially in the western world), although it was seen as a symbol of wealth and fertility at other times in history, experience and still in some parts of the world.