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neurdevelopment

·July 6, 2026·9 min read

Early Pregnancy Hormones Predict IQ

A new study proves that maternal estrogen levels at 6–8 weeks of pregnancy directly predict a newborn's head circumference, with a stronger effect in boys. The findings support the "estrogenized ape hypothesis," suggesting that human brain expansion is evolutionarily linked to prenatal estrogenization, carrying an evolutionary trade-off of reduced male health and fertility.

This shows a child, a calendar and pill bottles.

Featured Neuroscience Psychology

·May 15, 2025·5 min read

Early ADHD Treatment May Mean Years on Medication

A large Finnish registry study reveals that many children, especially boys who begin ADHD medication between ages 6 and 8, remain on treatment for more than seven years. While the average duration of ADHD medication was over three years, a quarter of treated children remained on it for over seven, and some for nearly a decade.

This shows a pregnant woman drinking water.

Featured Neuroscience

·May 20, 2024·6 min read

Fluoride Exposure During Pregnancy Linked to Behavior Problems in Kids

A new study finds that higher fluoride levels in pregnant women are associated with increased odds of their children experiencing neurobehavioral problems at age 3. These problems include anxiety, difficulty regulating emotions, and physical complaints like stomachaches and headaches. Researchers urge policymakers to consider these findings and create specific recommendations for fluoride consumption during pregnancy.