Breastfeeding was also linked to lower allergy rates in a study which looked at the medical records of 158,422 children.
Elizabeth Eden was held in hospital for five days after she tested positive for opioids after eating a bagel on the morning of her daughter's birth.
Health professionals are concerned rates of C-sections are rising, despite the fact they carry a greater risk of complications.
About 700 women die during childbirth in the U.S. every year.
Tia Freeman's DIY childbirth story has wowed Twitter users.
The child has been on life support the entire 11 months of his short life.