1、Obesity and how to lose weight,Reporter: Dong Jiaojiao,What is obesity How to define classification Obesitys effects What causes obesity How to lose weight in healthy way,What is obesity,Obesity is a medical condition in which excess body fat has accumulated to the extent that it may have an adverse
2、 effect on health.,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 wouldnt live to turn 50.He started to lose weight from 2006.,The world fattest man,How to define it,Obesity is defi
3、ned 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.,1.According to BMI,BMI is calculated by dividing the subjects mass by the square of his or her height. Formula : BMI=weight/height2,2. A
4、ccording to fat distribution,Pear-shaped obesity,Apple-shaped obesity,Obesitys 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,What
5、 causes obesity,1. Genetic factors 80% of the offspring oftwo obese parents areobese . And scientists have found the FTO gene that associated with fat mass and obesity.,2.Less exercises,Due to increasing use of mechanized transportation and a greater prevalence of labor-saving technology in the home
6、 and work, there appear to be declines in levels of physical activity. People always reduce the time of exercises even dont do exercises to an excuse of busy work.,3.Diet Habit,Imbalanced diet is the most important factor that causes obesity. When the obese eat, they intake too much energy which is
7、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 high-sugar and high-fat food which are more easily transformed into fat in body.,4. Social and Psychological factors,In the modern society
8、, 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.,How to lose weight in healthy way,As we know ,the genes inherited from our
9、 parents cant be changed ,so what we can do is to change our life style. We can control our diet and do some physical activities from the following aspects.,First: the diet,1. Before you go to the supermarket ,you should make a list of what you want ,in case that you buy high-calorie snacks . Dont l
10、et your refrigerator full of high-calorie snacks .You should replace snacks with fruits and vegetables .In many times, people eat not because of hunger but because of the large temptation of delicious food.,2.Cook by yourself instead of eating outside,. Generally ,the food in the restaurants contain
11、 a lot of fat. Eating outside causes too much calories intake. Cooking by yourself is an effective way to control the calories.,3.Drink plenty of water,Never underestimate the power of the water. Drinking plenty of water will not only bring many benefits to physical health, is also an important part
12、 of weight loss. Drinking plenty of water can effectively suppress your appetite. This is because the human brain is easy to confuse hunger and thirst. In other words, sometimes you are hungry, perhaps just thirsty.So, to drink plenty of water is the easiest way to reduce calorie intake.,4.Eat healt
13、hy food,Have you ever wondered, why Asians are so slim? This is not because our genes, but because of our food. Most Asian areas regard rice, fish and vegetables as the main raw materials of low-calorie food. This is the reason why Asians can maintain slim. So, next time if you want to eat hamburger
14、s, it is necessary to reconsider your choice!,5. Eat slowly,From the beginning to your brain to receive the information of the fullness ,it needs at least 20 minutes. So eating too fast will make you eat more because the brain doesnt receive the signal. Therefore, try to chew food slowly so as to en
15、joy the conversation with your friends or family !,Second: exercises,1. do endurance exercises In all types of sports, the endurance exercises can obviously affect the fat metabolism in the human body. Familiar endurance exercises are hiking ,swimming and long-distance running .,2.Choose the appropr
16、iate one for yourself,Everyone is different. When you make the decision about the exercise ,you should choose the one appropriate for yourself. What else you should consider is when to exercise and the intensity of the exercise. Your every decision must be made according to your own physical condition.,3. Persistence,Persistence is a strong guarantee for successful weight loss. If you give up halfway, all the efforts and objectives turn to be empty. When you are tired, you can image your beautiful figure and health body to gain the energy and courage to insist.,Thank you!,