Over the course of the 20th century, genes began to play a greater role in the height and body mass index (BMI) of Americans, while their significance decreased in educational outcomes and occurrence of heart disease….
Research tracks interplay of genes and environment on physical, educational outcomes
Over the course of the 20th century, genes began to play a greater role in the height and body mass index (BMI) of Americans, while their significance decreased in educational outcomes and occurrence of heart disease….