탄산음료를 많이 마신 여자 아이들은 평균 12.8세 때 초경을 하지만 상대적으로 덜 마신 여자 아이들은 13세가 넘어서야 초경을 했다.
Girls who drank a lot of carbonated drinks had their first period at the average age of 12.8, whereas girls who drank less had their first period after the age of 13.