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          IQ

          This shows two people and a brain.
          FeaturedGeneticsNeuroscience
          ·June 26, 2025·4 min read

          Smarter Minds Predict Better: IQ Linked to Sharper Life Forecasting

          New research reveals that individuals with higher IQs are significantly better at predicting future outcomes, leading to smarter decision-making. Using data from the English Longitudinal Study of Ageing, researchers assessed how accurately people over 50 could estimate their own life expectancy. High-IQ individuals were found to make more precise forecasts—errors were less frequent and less extreme compared to their lower-IQ counterparts.
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          This shows a baby and a man.
          Neuroscience
          ·June 19, 2025·7 min read

          Early Baby Behavior Predicts Adult Cognition and Intelligence

          A new study reveals that cognitive tests in infancy can modestly predict intelligence three decades later. Researchers followed over 1,000 twins from seven months of age, measuring behaviors like vocalization and novelty preference to assess early cognition.
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          This shows Roman statues.
          FeaturedNeuroscience
          ·January 7, 2025·6 min read

          Lead Pollution Linked to IQ Decline in Roman-Era Europe

          A study analyzing Arctic ice cores reveals that lead pollution during the Roman Empire's height contributed to an estimated 2-3 point IQ decline across Europe. The pollution stemmed from silver mining and smelting, which released vast amounts of lead into the atmosphere.
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          This shows a brain and leaves.
          FeaturedNeuroscience
          ·December 16, 2024·4 min read

          Study Challenges Myths About Cannabis, Brain Health, and IQ

          A study spanning 44 years and involving over 5,000 men challenges long-held beliefs about cannabis and cognition. Researchers found that cannabis users experienced slightly less cognitive decline from early adulthood to late midlife compared to nonusers.
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          This shows a brain.
          FeaturedNeuroscience
          ·December 11, 2024·5 min read

          Brain-Wide Connections Predict Human Intelligence

          A recent study explores how connections across the entire brain predict human intelligence, moving beyond traditional focus on specific brain areas like the prefrontal cortex. Using fMRI data from over 800 individuals, researchers analyzed communication between brain regions to predict fluid, crystallized, and general intelligence scores.
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          This shows a woman and beers.
          FeaturedNeurosciencePsychology
          ·October 11, 2024·5 min read

          Higher IQ in High School Linked to Increased Alcohol Use in Adulthood

          A new study shows that individuals with higher IQs in high school are more likely to consume alcohol moderately or heavily later in life, though less likely to binge drink. This connection may be due to social factors, such as income level and career stress, that often accompany higher IQs. Researchers used data from the Wisconsin Longitudinal Study, revealing that each IQ point increase correlated with a 1.6% rise in moderate or heavy drinking.
          Read More
          This shows a man and fuzzy lines coming from his head.
          FeaturedGeneticsNeurosciencePsychology
          ·September 6, 2024·3 min read

          Neurodevelopmental Disruptions Behind Schizophrenia Cognitive Deficits

          A recent review of genetic and population studies reveals that premorbid cognitive deficits in schizophrenia, such as lower IQ, are largely due to neurodevelopmental disruptions rather than inherited genetic variants that directly increase schizophrenia risk. The findings suggest that non-familial factors, including rare genetic mutations and environmental influences, play a significant role in both cognitive impairments and schizophrenia risk.
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          This shows a pregnant woman.
          FeaturedNeurosciencePsychology
          ·May 11, 2024·3 min read

          Mom’s Stress Hormone Shapes Child’s IQ

          Elevated cortisol levels during the third trimester of pregnancy are linked to lower IQ scores in 7-year-old boys, but not in girls. In contrast, higher urine cortisone levels during pregnancy were associated with improved IQ scores in girls.
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          This shows a small child.
          FeaturedNeuroscience
          ·September 20, 2023·6 min read

          Prenatal Phthalate Exposure Linked to Brain Size and Child IQ Reduction

          A new study linked higher prenatal exposure to certain phthalates with reduced gray matter in children's brains by age 10. This exposure was also correlated with decreased IQ levels in the offspring at age 14.
          Read More
          This shows a happy baby.
          FeaturedNeuroscience
          ·August 31, 2023·5 min read

          Breast Milk Alternative Boosts IQ and Executive Function in Kids

          Researchers discovered a complex milk component that, when added to infant formula, can offer long-term cognitive benefits to children. The study found that formula supplemented with milk fat globule membrane (MFGM) and lactoferrin for a year raised children's IQ by 5 points at age 5 ½.
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          This shows the outline of two heads made of clocks.
          FeaturedNeuroscience
          ·June 1, 2023·6 min read

          Intelligence and Decision-Making: Do Smarter People Really Think Faster?

          Researchers made a startling discovery about intelligence and decision-making speed. Their findings indicate that those with higher IQs are quicker when solving simple tasks, but take more time to resolve complex problems compared to those with lower IQs.
          Read More
          This shows a brain in a lightbulb
          FeaturedNeurosciencePsychology
          ·March 20, 2023·4 min read

          Americans’ IQ Scores Are Lower in Some Areas, Higher in One

          While scores for verbal reasoning and matrix reasoning have decreased, scores for spatial reasoning have improved, researchers report.
          Read More
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          This shows a child and a nurse.

          No Link Found Between Aluminum in Vaccines and Autism, ADHD

          This shows a brain.

          Tiny Brain Region Orchestrates How We Segment and Remember Life Events

          This shows an older man playing piano and a brain.

          Playing Music Helps Older Brains Stay Sharp

          This shows kids in a playground.

          Childhood Emotional Trauma Linked to Later Social Distress

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