Category Archives for IQ

More on IQ and omega-3 fats

Can omega-3 fats increase IQ? The answer must be tentative, but the brain responds to the dietary omega-6/3 ratio: Gene expression and molecular composition of phospholipids in rat brain in relation to

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Is the Japanese IQ advantage due to nutrition?

I’ve contended for some time that the Japanese IQ advantage over those of European stock may well be due to nutrition, notably the provision in the diet of more omega-3 fatty acids. See, for example,

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Childhood socioeconomic status, telomere length, and susceptibility to upper respiratory infection

Childhood socioeconomic status, telomere length, and susceptibility to upper respiratory infection Low socioeconomic status (SES) during childhood and adolescence has been found to predict greater susceptibility

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Happiness and IQ

Lower IQs Linked To Less Happiness People with lower IQs tend to be less happy and have poorer health in general than individuals with higher IQs, researchers from University College London reported in

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Sources of sexual inequality in the STEM fields

Sex differences on g and non-g intellectual performance reveal potential sources of STEM discrepancies AbstractThe analysis of sex differences in cognitive abilities is largely confusing because these

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Catholicism makes you money

The St Louis Federal Reserve Bank did a study on schooling and subsequent income: Measuring the Effect of School Choice on Economic Outcomes. Money (!) quote: The graph shows that students who attended

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The purported link between depression and intelligence

JayMan left a comment in the last post which arguably reflects a common line of thought on this issue: But then, there is the link between IQ and mental illness (as seen from the now closed Secular Blood),

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The Stupidity of the Discontented?

Lower IQs Linked To Less Happiness (via Barking up the wrong tree.) It appears that, to paraphrase the old curmudgeon Kinglsey Amis, that there is no end to the ways that being smart is better than being

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Breast milk, omega-3 fatty acids, and IQ

Breast milk and subsequent intelligence quotient in children born preterm Lucas A, Morley R, Cole TJ, Lister G, Leeson-Payne C.Source MRC Dunn Nutrition Unit, Cambridge, UK.Abstract There is considerable

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An early statement of the Dunning-Kruger effect

The Dunning-Kruger effect is a cognitive bias in which unskilled individuals suffer from illusory superiority, mistakenly rating their ability much higher than average. This bias is attributed to a metacognitive

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Brain Imaging Predicts Intelligence

Brain imaging can predict how intelligent you are, study finds When it comes to intelligence, what factors distinguish the brains of exceptionally smart humans from those of average humans? As science

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Socioeconomic status and heart disease

Association of educational level with inflammatory markers in the Framingham Offspring Study. Loucks EB, Sullivan LM, Hayes LJ, D’Agostino RB Sr, Larson MG, Vasan RS, Benjamin EJ, Berkman LF.Source Department

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Fluoride is Bad for the Brain

Developmental Fluoride Neurotoxicity: A Systematic Review and Meta-Analysis Abstract Top Background: Although fluoride may cause neurotoxicity in animal models and acute fluoride poisoning causes neurotoxicity

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Genes May Play Role in Educational Achievement

Genes May Play Role in Educational Achievement, Study Finds Three genes identified as possible markers for academic success WASHINGTON—Researchers have identified genetic markers that may influence whether

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A possible declining trend for worldwide innovation

A possible declining trend for worldwide innovation Jonathan Huebner Abstract A comparison is made between a model of technology in which the level of technology advances exponentially without limit

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IQ and Anxiety

Anxiety Linked to High IQ Excessive worry might not be such a bad thing after all — a new small study suggests that such anxiety may have evolved in people along with intelligence. The results show,

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Chewing Gum to Lose Weight, Relieve Stress, and Take IQ Tests

I’m sorry to report that it doesn’t cause weight loss. Maybe they could have tried some Jolt. OTOH, chewing gum does relieve stress: Effects of chewing gum on the stress and work of university

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B vitamins slow brain aging

Homocysteine-Lowering by B Vitamins Slows the Rate of Accelerated Brain Atrophy in Mild Cognitive Impairment: A Randomized Controlled Trial Background An increased rate of brain atrophy is often observed

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