Obesity is a serious health condition caused by the accumulation of excess fat in the body, the weight of an obese individual is always higher than the normal or a healthy body weight,a normal body weight will have BMI range from 18.5-24.9kg/m^2, it is different from overweight which is excess weight, which can happen from weight that come from muscle, bone, fat and body water. Body Mass Index(BMI) is used to measure obesity.
Adult Body Mass Index Body Mass Index(BMI) is a person’s weight in kilogram (kg) divided by the square of his/her height in meters.
BMI=weight(kg)/hxh(m^2) in kg/m^2 If your body mass index is above 30kg/m^ 2, you are said to be obese.
Obese can be classified into three different types, which are class I, class ll, and class lll obesity, a class one obesity has a BMI 30-35kg/m^2, class two obesity has a BMI range from 35-40kg/m^2 while class three obesity has a BMI 40 and above. The Class ll and III obesity can be futher classified into severe obesity of BMI >35 or 40kg/m^2, or morbid obesity having a BMI >40-44.9kg/m^2, and a super obesity having a BMI >40 or 50kg/m^2.
It is caused commonly by excess consumption of food and non or lack of exercise or physical activities, the consumption of excess fat and sugary food is a major contributor to obesity. Obese individuals have greater energy expenditure than their normal counterparts due to the energy required to maintain an increased body weight. A very small percentage of obesity is caused primarily by genetics, medical reasons or psychiatric illness and other factors like smoking, hormonal disfunction, insufficient sleep, pregnancy etc.
Hence, it is associated with some health problems like cardiovascular disease, diabetes mellitus type 2, obstructive sleep apena, death and some types of cancer, osteoarthritis of the knee and asthma. Obesity has been found to reduce life expectancy. Individuals with obesity are often stigmatized against in work places, buses, transportation companies and in some cultures, it is referred to as a disease, there are places where obese are charged extra for space and weight compared to their normal counterparts.
Finally, this problem can be managed by treatments that consist of reduced intake of low calorie diet for weight loss and increased exercise or physical activities. A combination of exercise and consuming lower food energy diet permanently will lead to weight loss in the long run. In the short-term, low carbohydrate diet appear better than fat diets for weight loss. In the lung run; however, all types of low-carbohydrate and low-fat diet appear equally beneficial for weight loss. Reduction in the consumption of sugary, processed and packaged food and drinks will also be helpful for weight loss. In general, a reduction in calories to 1200-1500 and increased physical activities will be helpful in solving obese or related problem, you can follow the direction on this blog for more on how to lose weight. There are other treatments of severe obesity like bariatric surgery which include laparascopic adjustable gastric binding, Roux-en-Y gastric bypass, vertical sleeve gastectomy and billiopancreatic diversion, this helps in reduced caloric intake by limiting the size of the stomach.