Differences in birthweight between twins predict later intelligence test scores

Differences in birthweight between twins predict later intelligence test scores

A recent study suggests that a higher relative birthweight provides evidence for better cognitive performance in children and young adults, even when comparing twins who share the same genetic and environmental backgrounds. Published in the Journal of Child Psychology and Psychiatry, the research indicates that conditions in the womb can have long-lasting effects on how a person’s brain develops. These findings point to the importance of early p…