an exploration of causes and effects of obesity
An Exploration of the causes and effects of obesity
Obesity is excess body fat. It is usually defined by body mass index (BMI) which is individual’s weight (kg) divided by their squares of height (m) (Jebb, 2004; Eagle et al, 2004). At the same time, BMI was classified into four conditions. Firstly, when the BMI less than 18.5 kg/㎡is underweight. Secondly, 18.5 kg/㎡to less than 25.0 kg/㎡ belong to normal weight. Thirdly, overweight is 25.0 kg/㎡to less than 30.0 kg/㎡. Finally, exceeding 30.0 kg/㎡ is totally obese (Eagle et al, 2004). Other papers categorize more detailed in the part of obese, which sections three parts, such as, Grade I obesity (30.0 kg/㎡to less than 35.0 kg/㎡), Grade II obesity (35.0 kg/㎡to less than 40.0 kg/㎡) , extreme obesity or Grade III (40.0 kg/㎡or more) (Borrell and Samuel, 2014). Obesity has been defined as an epidemic by the International Task Force on Obesity and World Health Organization in the 21st century (Jiménez, 2011). For example, 65 per cent adults and 15 per cent children are overweight in America, and this data has not a decreasing trend (Jiménez, 2011). In recent years, increasing obesity problems have emerged in developed countries and even in some city centers in developing countries (Jiménez, 2011). According to Rosin’s investigation (cited in Tomer, 2011), incidences of obesity in the United States are high and have been dramatically increasing over the past thirty years, although there are some steady trends recently (Rosin in Tomer, 2011). For instance, the percentage of the obese population in America rose twice from about 13.95 per cent (in 1976) to 29.57 per cent (in 2000), and this figure is continuing to grow (ibid). However, rates of obesity are not only in America; it is growing in all of the world; even in Japan which has one of the lowest rates in the world (Bleich et al in Tomer, 2011; Delpeuch et al in Tomer, 2011). This essay consists of four sections, including introduction, effects of obesity, causes of
Obesity is excess body fat. It is usually defined by body mass index (BMI) which is individual’s weight (kg) divided by their squares of height (m) (Jebb, 2004; Eagle et al, 2004). At the same time, BMI was classified into four conditions. Firstly, when the BMI less than 18.5 kg/㎡is underweight. Secondly, 18.5 kg/㎡to less than 25.0 kg/㎡ belong to normal weight. Thirdly, overweight is 25.0 kg/㎡to less than 30.0 kg/㎡. Finally, exceeding 30.0 kg/㎡ is totally obese (Eagle et al, 2004). Other papers categorize more detailed in the part of obese, which sections three parts, such as, Grade I obesity (30.0 kg/㎡to less than 35.0 kg/㎡), Grade II obesity (35.0 kg/㎡to less than 40.0 kg/㎡) , extreme obesity or Grade III (40.0 kg/㎡or more) (Borrell and Samuel, 2014). Obesity has been defined as an epidemic by the International Task Force on Obesity and World Health Organization in the 21st century (Jiménez, 2011). For example, 65 per cent adults and 15 per cent children are overweight in America, and this data has not a decreasing trend (Jiménez, 2011). In recent years, increasing obesity problems have emerged in developed countries and even in some city centers in developing countries (Jiménez, 2011). According to Rosin’s investigation (cited in Tomer, 2011), incidences of obesity in the United States are high and have been dramatically increasing over the past thirty years, although there are some steady trends recently (Rosin in Tomer, 2011). For instance, the percentage of the obese population in America rose twice from about 13.95 per cent (in 1976) to 29.57 per cent (in 2000), and this figure is continuing to grow (ibid). However, rates of obesity are not only in America; it is growing in all of the world; even in Japan which has one of the lowest rates in the world (Bleich et al in Tomer, 2011; Delpeuch et al in Tomer, 2011). This essay consists of four sections, including introduction, effects of obesity, causes of
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