How does smoking affect men’s fertility
Smoking is a highly entrenched habit that is difficult for individuals to break free from. However, it is crucial to avoid smoking due to its detrimental effects on the body, such as cancer, diabetes, lung disease, and heart problems. Moreover, smoking adversely affects men's fertility through various parameters, including lower sperm density, alterations in sperm DNA, damage to sperm shape and motility, and harm to the reproductive organs. Research indicates that men who smoke have a 13-17% lower sperm density compared to non-smokers. Cigarettes contain heavy metals like lead and cadmium, which are known to impact male fertility significantly. Cadmium exposure, in particular, can complicate pregnancy by damaging sperm DNA, while lead disrupts the process of spermatogenesis, affecting sperm shape and count. Smoking induces oxidative stress, causing damage to sperm cells, and the nicotine in cigarettes constricts blood vessels, leading to reduced blood flow to the penis and potentia...