Western diet includes Burger, Pizza and other junk food negatively affect the sperm quality that ultimately leads to the male infertility at present day.
Diets rich in saturated fatty acid (SFA) and low in polyunsaturated fatty acid (PUFA) decrease the sperm quantity as well as quality, on other hand unsaturated fatty acid supplementation ameliorate sperm quality.
Western diet leads to dyslipidemia that decrease the sperm quality and also decline the testosterone level that directly impact on spermatogenesis as follow:
1) Decrease sperm number
2) Decrease sperm motility
3) Increase morphological defects.
So avoid junk food for better health.