For about 60 years, the prevailing wisdom in Japan, the so-called "Three-Year-Old Myth," has held that children should be ...

Stress during pregnancy may cause changes in placental genes linked to cortisol regulation. These changes could impact fetal development.

Maternal stress could leave epigenetic imprints on genes in the placenta associated with cortisol -- a necessary hormone for fetal development -- and this would affect the baby's development from very ...