There is no one picture of intelligence, but many people with high IQs do tend to share some of the same habits -- both good and bad. For example, according to research complied by Online-PHD-Programs.org, while those with high IQs tend to set goals and read avidly, they are also more likely to drink more heavily and suffer from anxiety.

For more on the habits of smart people, including a look at the IQs of icons such as Albert Einstein and Bill Gates, check out the infographic below.

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