If you wear glasses， there's good news for you．（1）　　A new study has found that needing to wear glasses is connected with higher levels of intelligence．

    In the study， researchers from the University of Edinburgh studied data（数据）on brainpower and genes． Genes， made up of DNA， are information in the cells of our body． They determine how we look and how our bodies work． （2）　　They found a connection between brainpower and physical characteristics including eyesight and health． People who were more intelligent were more likely to have genes that might show they need to wear glasses． The researchers also found that being smarter has some advantages． They found ways in which smarter people have fewer health problems．

    （3）　　They are not proved（证实的）causes． It is easy to prove that two things are connected． It is harder to prove that one thing， like intelligence， causes the other， like needing glasses．

    Forget genes though． Wearing glasses makes people think you are more intelligent， even if you don't need them． A number of studies have found that people who wear glasses are usually seen as smarter， more hard﹣working and honest． （4）　　They get the people they work for on trial（审 判）to wear glasses． Glasses are also used to show someone is intelligent in movies and on TV．

    （5）　　People who do not need glasses sometimes wear them． They wear them just to look smart or cool． Glasses are not only for needs． Wearing glasses can also be cool． Many movie stars are fans of fashion glasses．

A．Many lawyers use this to help them． B．We must try our best to protect our eyes． C．However，these are all simply connections． D．You might be smarter than those who don't． E．Ideas about wearing glasses have begun to change． F．Wearing glasses sometimes makes people look silly． G．The researchers studied the genes of over 300，000 people．

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