Below are two lists of lifestyle habits that can negatively impact fertility for men and women. The lists are from the article by Aishwarya Iyer.
3 lifestyle habits that impact male fertility are:
1) Staying up too late
2) Keeping your cell phone in your pocket
3) Drinking and smoking
3 lifestyle habits that impact female fertility are:
Lists by Aishwarya Iyer for The Health Site (thehealthsite.com)
Story via The Health Site