In our looks-obsessed society, many people think that being overweight is an appearance issue. But being overweight is actually

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问题     In our looks-obsessed society, many people think that being overweight is an appearance issue. But being overweight is actually ______【C1】 because it can seriously affect a person’s health.
    What is overweight? When people keep up a pattern of eating more calories than they burn, more and more ______【C2】 in their bodies. Eventually, the body gets to a point where the amount of body fat can ______【C3】 on a person’s health. Doctors use the terms "overweight" or "obese" to describe when someone is ______【C4】 of developing weight-related health problems.
    As you’ve probably heard, ______【C5】 today than ever before. Experts are calling this ______【C6】. This health problem affects young people as well as adults—one third of all kids between ______【C7】 are overweight or obese. So younger people are now developing health problems that ______【C8】, like high blood pressure, high cholesterol, and ______【C9】.
    Obesity tends to run in families. Some people have ______【C10】 more easily than others because they burn calories more slowly. During times when ______【C11】, this was a real advantage. But now that food is available in most industrialized countries, ______【C12】 that once ensured our survival now works to our disadvantage.
    Although genes strongly ______【C13】, the environment also plays a role. People today may be gaining weight because of ______【C14】, like fast food, and family habits, like eating in front of the television instead of around a table. ______【C15】 snacks and beverages, bigger portions of food, and less active lifestyles all contribute to the obesity epidemic.
    Sometimes people turn to food ______【C16】, such as when they feel upset, anxious, sad, ______【C17】. When this happens, they often eat more than they need. Figuring out if a teen is overweight ______【C18】 than it is for adults. That’s because teens are still ______【C19】. Doctors and other health care professionals often use a measurement called ______【C20】 to determine if someone is overweight.
【C20】
In our looks-obsessed society, many people think that being overweight is an appearance issue. But being overweight is actually a medical concern because it can seriously affect a person’s health.
    What is overweight? When people keep up a pattern of eating more calories than they burn, more and more fat builds up in their bodies. Eventually, the body gets to a point where the amount of body fat can have a negative effect on a person’s health. Doctors use the terms "overweight" or "obese" to describe when someone is at greatest risk of developing weight-related health problems.
    As you’ve probably heard, more people are overweight today than ever before. Experts are calling this an "obesity epidemic". This health problem affects young people as well as adults—one third of all kids between the ages of 2 and 19 are overweight or obese. So younger people are now developing health problems that used to affect adults, like high blood pressure, high cholesterol, and type 2 diabetes.
    Obesity tends to run in families. Some people have a genetic tendency to gain weight more easily than others because they burn calories more slowly. During times when food is scarce, this was a real advantage. But now that food is available in most industrialized countries, an efficient metabolism that once ensured our survival now works to our disadvantage.
    Although genes strongly influence body type and size, the environment also plays a role. People today may be gaining weight because of unhealthy food choices, like fast food, and family habits, like eating in front of the television instead of around a table. High-calorie, low-nutrient snacks and beverages, bigger portions of food, and less active lifestyles all contribute to the obesity epidemic.
    Sometimes people turn to food for emotional reasons, such as when they feel upset, anxious, sad, stressed out, or even bored. When this happens, they often eat more than they need.
    Figuring out if a teen is overweight can be more complicated than it is for adults. That’s because teens are still growing and developing. Doctors and other health care professionals often use a measurement called body mass index to determine if someone is overweight.

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答案body mass index

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