They studied blood from newborns' umbilical cords.
Findings show right after birth babies born by c-section had a higher rates of chemical altering of d-n-a in white blood cells than vaginal born babies.
Researchers suspect these early genetic changes may be why people born by c-section may be likely to develop diabetes, asthma or leukemia.
Learn more about this study in the July issue of the scientific journal Acta Paediatrica.
