People stay healthy when they eat only the amount of food they need and when they exercise. However, many Americans eat too much, but seldom exercise. In fact, a surprising 54 percent of American adults are overweight. Such problem for people in the United States may be caused by the environment.
To begin with, Americans have too much food available. For example, many restaurants are open from early in the morning to late at night. Secondly, many Americans eat food that is too high in fat and too low in fiber, and, some even have snack all day long. Thirdly, modern conveniences and technology, such as power lawn mowers and the Internet, make it easy for Americans to remain inactive and avoid exercise.
Doctors have suggested some solutions to the problem. Americans need to eat food that is low in fat and high in fiber, such as grains, fruits, and vegetables. They also need to exercise for twenty minutes a day, three times a week. By following this plan, Americans can improve their overall health and set good examples for their children.
Based on the passage, why are many Americans overweight?
Technology makes people lazy.
The American lifestyle is unhealthy.
Children are following their parents' examples.
People only exercise for twenty minutes each day.