Introduction: Obesity has become a controversial and great medical issue within today’s society. It is defined as a disease in which excess body fat has accumulated to such an extent that health may be negatively affected. In other word, an increase of body fatty tissue mass. It can also be defined as a body mass index of around 30 or above (Mathur, 2007). Many studies show an association between excessive body weight and various diseases, particularly cancers and heart problems which directly relate to increased mortality and lower life expectancy. Body
I. Main Point: In many countries, obesity has become a major problem. Obesity is rapidly rising especially in developing countries. A. Subpoint: Statistics indicate that obesity is a high-risk national malaise. 1. According to the World Health Organization, in year 2005, 400 million adults were obese. 2. And predicts that there will be more than 700 million adults will be obese in the world by 2015.
B.Subpoint: Childhood obesity is also at an all time high
1. According to the U.S. Center of Disease Control and Prevention (CDC), the percentage of obese children has increased by 54 percent in 6 to 11 year olds and 39 percent among 12 to 17 year olds.
2. That is to say that 16 to 33 percent of Americans within the ages of 6 to 17 are considered obese.
3. Unfortunately for children of the age of 7 who are obese, 40 percent of them will struggle obesity throughout their adulthood and be faced with many health complications. As for the obese adolescents, 70 percent of them will remain obese throughout their adult life.
4. Another statistic figures children between the ages 10 and 13 have an 80 percent chance of battling through the torments of an obese life as an adult.
Transition: What causes obesity?
II. Main Point: Genes, eating habits and a slow metabolism rate may all play a part. A. Subpoint: Most often, obesity tend to run in family which...