肥胖与减肥 英文ppt课件

• Obesity is a medical condition in which excess body fat has accumulated to the extent that it may have an adverse effect on health.
The world fattest mwenku.baidu.comn •
3.Diet Habit
• Imbalanced diet is the most important factor that causes obesity. • When the obese eat, they intake too much energy which is more than their bodies’ needs. Otherwise almost of them love the snacks, and between the meals they will take extra food. • In general, the obese favor high-calorie highsugar and high-fat food which are more easily transformed into fat in body.
How to define it
• Obesity is defined by body mass index (BMI) and further evaluated in terms of fat distribution. • According to BMI and fat distribution ,obesity can be divided into several groups.
How to lose weight in healthy way
underweight
18.5-24.9 Normal weight
25.0-29.9 overweight
30.0-34.9 class I obesity 35.0-39.9 class II obesity ≥40 class III obesity
2. According to fat distribution
What causes obesity
• 1. Genetic factors • 80% of the offspring of two obese parents are obese . And scientists have found the FTO gene that associated with fat mass and obesity.
•Apple-shaped obesity •Pear-shaped obesity
Obesity’s effects
• Obesity is one of the leading preventable causes of death worldwide. • Obesity increases the risk of many physical and mental conditions. For example high blood pressure, high blood cholesterol, type 2 diabetes…..
2.Less exercises
• Due to increasing use of mechanized transportation and a greater prevalence of labor-saving technology in the home and work, there appear to be declines in levels of physical activity. • People always reduce the time of exercises even don’t do exercises to an excuse of busy work.
1.According to BMI
• BMI is calculated by dividing the subject's mass by the square of his or her height. • Formula : BMI=weight/height2 BMI
<18.5
Classification
4. Social and Psychological factors
• In the modern society, people confront more and more pressures. In order to relieve these stress, people must find some way. Some turn to chat or entertainment ,while some turn to food. They tend to obtain the psychological balance by overeating.
肥胖与减肥 英文
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What is obesity How to define classification Obesity’s effects What causes obesity How to lose weight in healthy way
What is obesity
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Manuel Uribe Born June 11, 1965 Monterrey, Mexico reached a peak weight of around 597 kg so that he was unable to leave his bed since 2001. after doctors told him he wouldn't live to turn 50.He started to lose weight from 2006.