You wear glasses
Intelligent people are more likely to have poor eyesight genes, according to a study from the University of Edinburgh. Smarter people were 30 percent more likely to have genes indicating they need glasses. There’s also plenty of research saying people who wear glasses are thought of as smarter, too.
You prefer being alone
Researchers from Singapore Management University and the London School of Economics asked 15,000 people between the ages of 18 to 28 to take a survey and an IQ test. The results show that highly intelligent people were less happy with their lives than the more social were.
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