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Intelligence predicts health and mortality – but why? New research reveals some genes are implicated in both. Key facts: Intelligence test scores predict mortality, illnesses, and health behaviors. Higher scores indicate lower risk. Both intelligence and healt…
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A new study published in the Journal of Personality suggests that individuals exhibiting secondary psychopathic traits are perceived as less intelligent than those with primary psychopathic traits. The research examined how laypeople view the intelligence of o…
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General intelligence, known as g or IQ, has long been the focus of cognitive genetics research. But what about more specific cognitive abilities, the building blocks that make up IQ? A sweeping new meta-analysis of over 740,000 twins surprisingly suggests: Spe…
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Psychopathy, a severe personality disorder characterized by emotional coldness, impulsivity, and antisocial tendencies, has long fascinated researchers and the general public alike. A new Italian study sheds light on the relationship between psychopathy and in…
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A study published in Wellcome Open Research has uncovered evidence that exposures experienced by grandparents, including smoking and economic conditions at the time of their birth, may be associated with reduced IQ scores in their grandchildren. The research s…
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Autism spectrum disorder (ASD) is a complex condition characterized by challenges in social communication and repetitive behaviors. One aspect that contributes to the heterogeneity seen across the autism spectrum is differences in intelligence and cognitive ab…
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A new study has uncovered an interconnected nexus between state IQ and well-being across the 50 U.S. states. Key findings show that states with higher average IQ tend to have better well-being outcomes across areas like health, income, education and crime. Som…
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The corpus callosum is the thick band of nerve fibers that connects the left and right hemispheres of the brain, acting like a superhighway to allow communication between the two sides. Given its role in integrating information, researchers have long speculate…
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Researchers have long suspected that brain size affects intelligence, with people who have bigger brains tending to have higher IQs. A new set of studies provides compelling evidence that this relationship is likely causal and not just correlational. Key Takea…
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A systematic review and meta-analysis published in Scientific Reports evaluated the potential association between chronic fluoride exposure and neurological damage. The study aimed to analyze the impact of fluoride from different sources on neurological disord…
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