서구식 식단을 먹는 청년이 건강한 식단을 먹는 이들보다 평균적으로 2560만 개나 정자수가 적었기 때문이다.
This is because, on average, the young people who eat the Western-style diet have fewer sperm counts, as many as 25.6 million than those who eat a healthy diet.