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Normal aging leads to a decrease in brain volume, with gray and white matter shrinking and cerebrospinal fluid increasing, as measured by synthetic MRI. Highlights: Study Sample: 300 healthy adults (141 males, median age 48; 159 females, median age 50) were an…
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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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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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A new study provides evidence that hormonal contraceptive use is associated with increased jealousy and mate retention behaviors in women and their male partners. The research suggests that the synthetic hormones in birth control pills may alter relationship d…
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Changes in sexual behavior over recent decades have resulted in more people having multiple serial or concurrent sexual relationships during young adulthood. A new longitudinal study investigates how these shifting trends affect mental health. Key Facts: Resea…
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