All articles tagged with #iq scores
Recent studies highlight the significant impact of COVID-19 on brain health, revealing cognitive deficits such as memory loss and reduced IQ scores in those infected. Research shows that even mild cases can lead to brain inflammation, structural changes, and increased dementia risk. The findings underscore the virus's long-term effects on cognitive function, with implications for public health and economic productivity.
The size of the human brain has reportedly shrunk by 20% over time, leading to a decline in IQ scores and an increase in mental illness cases, according to Professor Michael Crawford. He argues that modern-day diets, which lack key brain-specific nutrients found in seafood, are to blame for this decline. Studies have shown a correlation between the Western diet's shift towards carbohydrates and sugar and a decrease in IQ scores. Lack of omega-3 fats, particularly from seafood, has been linked to increased rates of depression, autism, ADHD, and dementia. Experts suggest supplementing omega-3 DHA derived from algae or getting a blood test to ensure adequate levels.
Higher cortisol levels during the third trimester of pregnancy may enhance speech and language skills in early childhood, according to a study of over 1,000 Danish women and children. Boys exposed to high prenatal cortisol levels could articulate more words between the ages of 12-37 months, while girls were better at understanding more words at 12-21 months. The study provides new insights into the role of prenatal cortisol exposure in fetal maturation and child development, and the researchers plan to investigate further whether prenatal cortisol exposure is also associated with higher IQ scores in children.
A new study from Northwestern University suggests a "reverse-Flynn Effect" may be taking place in the United States, with IQ scores dropping in four out of five measurements. The decline was present across a large US sample covering between 2006 and 2018 in every category except 3D rotation. The study did not determine the reason for the decline in IQ scores, but researchers suggest possible explanations ranging from poor nutrition and worsening health to media exposures and changes to education.