Poor lifestyle
Men who smoke might have a lower sperm count than those who don’t smoke. Obesity can impair fertility in several ways, including directly impacting sperm and by causing hormone changes. Plastics Bisphenol, BPA, a substance in plastics found in many household products, can lower sperm count and motility. A 2008 study in the journal Fertility and Sterility, showed that men with high concentrations of BPA in their urine also had low sperm counts. Food packaging is a major source of BPA which can seep into foods.
Pesticides
Scientists have also noted that farmers are exposed to pesticides that tend to lower their sperm count. The chemicals runoff gets into tap water and can disrupt hormonal processes. Tumours Cancers and non-malignant tumours can affect the male reproductive organs directly. Surgery, radiation or chemotherapy used to treat tumours can also affect male fertility.
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