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  3. Eating a diet high in processed (加工过的) food increases the risk of depression, a study suggests. What’ s more, people who ate ple

Eating a diet high in processed (加工过的) food increases the risk of depression, a study suggests. What’ s more, people who ate ple

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问题    Eating a diet high in processed (加工过的) food increases the risk of depression, a study suggests. What’ s more, people who ate plenty of vegetables, fruit and fish actually had a lower risk of depression, the University College London team found.
   Data on diet among 3500 middle-aged civil servants were compared with their emotional state five years later, a British journal reported. They split the participants into two types of diet—those who ate a diet largely based on wholefood (全天然食物) , which includes lots of fruit, vegetables and fish, and those who ate a mainly processed food diet, such as sweetened desserts, fried food, processed meat, refined grains and high fat dairy products. After accounting for factors such as gender, age, education, physical activity, smoking habits and chronic (慢性的) diseases, they found a significant difference in the future depression risk with the different diets.
   Those who ate the most wholefood had a 26% lower risk of future depression than those who ate the least wholefood. By contrast, people with a diet high in processed food had a 58% higher risk of depression than those who ate a diet low in processed food.
   Study author Dr. Archana Singh Manoux pointed out there was a chance that the finding could be explained by the lifestyle factor they had not accounted for. He also pointed in a paper that a Mediterranean diet was associated with a lower risk of depression, but the problem with that is if you live in Britain, the likelihood of eating a Mediterranean diet is not very high.
   Dr. Andrew McCulloeh, chief executive of the Mental Health Foundation, said, this study adds to an existing body of solid research that shows the strong links between what we eat and our mental health.
   He added people’ s diets are becoming increasingly unhealthy. The UK population is consuming less nutritious, fresh produce and more saturated fats and sugars.
Why might the author have written this passage?
选项 A、To tell people what a healthy diet actually is.
B、To prove people’s diets are increasingly unhealthy.
C、To encourage people to cut down on processed food.
D、To introduce some experts on the research team.
答案C
解析 根据第一段第二句“What’s more，people who ate plenty of vegetables，fruit and fish actually had a lower risk of depression…”和最后一段“…people’s diets are becoming increasingly unhealthy．The UK population is consuming less nutritious，fresh produce and more saturated fats and sugars．”可知，饮食和健康之间关系紧密，摄入过多加工食品的人患抑郁症的风险要高于那些摄入大量蔬菜、水果和鱼类的人。由此可推知，作者意在说服人们不要吃过多的加工食品，要多吃有营养的新鲜农产品。故选C。
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