Are e cigarettes less harmful than traditional cigarettes for male fertility in the context of IVF? gametia.com Does Smoking Affect Sperm and Causes Male Infertility? Let's talk vaping. Vaping might feel like a safer choice than smoking, but when it comes to your reproductive health, it's certainly not risk free. From disrupting hormones and ovulation in women to New study reveals vaping can shrink male testicles and cause sperm counts to plummet. : r teenagers