Beliefs that being gifted or a genius lead to being weird, socially awkward, or more likely to suffer from mental illnesses, were put to rest by

Terman's Longitudinal Study of 1528 Gifted Children

Explanation:

According to Lewis Terman's research, even though highly gifted children who did not experience skipping school grades found it difficult to socialize with children of similar IQ levels, the rest of the children who did go through educational acceleration actually became satified adults. In fact, in general they feel contented about their personal, social and professional lives, which proves that being gifted or genius does not necessarily lead to social difficulties or mental issues.

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