Lazy, gullible, neurotic? Don’t worry, it just means you’re smart.  

The increased intelligence of Homo sapiens was originally a result of gene mutations. The cost of these gene mutations, however, may have been an increase in mental illness (Nithianantharajah et al., 2012).

Anxiety may have co-evolved with intelligence — worrying may have given early humans a survival benefit in the ancient past (Coplan et al., 2012).

Lazy people are more likely to enjoy thinking, new research finds.

More: 7 Signs of Intelligence That Suggest You Are Smarter Than Average


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