Yes, smoking can significantly increase the risk of infertility in men. It affects fertility in several ways, including: 1. Lower Sperm Count – Smoking reduces sperm production, leading to a lower sperm count. 2. Poor Sperm Motility – Sperm movement (motility) is essential for fertilization, and smoking decreases sperm’s ability to move effectively. 3. Abnormal Sperm Shape – ... https://www.youtube.com/watch?v=a1U7sReaNIk