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TL;DR: A 2026 European Journal of Pediatrics study found that children with phenylketonuria, or PKU, had higher depression scores and lower quality of life than controls, with the worse pattern in children diagnosed later. Key Findings Children studied: The st…
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TL;DR: A 2026 Psychological Medicine meta-analysis of 109 studies linked parental severe mental illness, especially schizophrenia and bipolar disorder, to lower cognitive performance in offspring across IQ, language, memory, executive function, and general cog…
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A major new study provides evidence that environmental factors, not genetics, are the primary drivers behind the Flynn effect – the steady rise in IQ scores observed over the 20th century. Researchers analyzed IQ data from over 700,000 Norwegian males and foun…
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Our genes influence more than just our raw intelligence and problem-solving abilities. The latest discoveries in the genetics of intelligence are showing how our DNA shapes how we learn, our educational attainment, occupational success, and even our health out…
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A large study of Finnish men found that lower IQ scores were associated with committing more crimes and engaging in a wider variety of criminal offenses. Men with the lowest IQ were the most likely to have criminal records, especially for violent crimes. Howev…
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Human intelligence is a complex cognitive trait that has fascinated scientists and philosophers for centuries. New research is shedding light on the neurobiological underpinnings of intelligence, from genes to cells to brain networks. Key Facts: Intelligence i…
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Human intelligence has long fascinated scientists. With modern neuroimaging methods like MRI, we now have an unprecedented ability to examine the biological basis of intelligence in the living brain. Key Facts: Larger brain size predicts greater intelligence,…
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Psychopathic individuals are known to commit a disproportionate amount of violence and crime. Yet the connections between psychopathy, intelligence and aggression are complex. A new study unpacks the links between these dangerous traits in men and women. Key F…
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New research reveals that lower intelligence and poorer emotional control in adolescence are associated with an increased risk of suicidal thoughts and behaviors over the life course. However, while lower intelligence is linked to a consistently higher suicide…
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A recent longitudinal study provides new insight into the association between intelligence in adolescence and mental health outcomes in middle age. The research indicates that higher intelligence in youth is linked to a lower risk of some common mental health…
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