PACE How Does Smoking Reduce Sperm Quality? Your fertility matters and smoking can silently harm it more than you think! Cigarette toxins cause oxidative stress, which can: Health Feed Smoking And Its Long term Effects On Sperm And Egg Health Is smoking speeding up your fertility clock? Thinking about having kids now, or later? Smoking, vaping, and cannabis can affect both egg and sperm health and may even shorten the time Your Weed Habit May Be Messing With Your Sperm The New York Times