Examples include: a poor diet, cigarette and vape smoking, drinking alcohol, taking recreational drugs, and obesity.
“Smoking both cigarettes and vapes have been associated with a decrease in the quality of sperm, but also their amount and motility,” said Professor Minhas.
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“Sperm motility is the ability of sperm to move efficiently through the woman’s reproductive tract to reach and fertilise the egg,” the professor explained.
“Non-progressive motility is sperm that does not travel in straight lines or that swims in very tight circles, and can be a factor towards male infertility.”
Source: Daily Express
