Can nicotine affect sperm?

Could you elaborate on the potential impact of nicotine on sperm quality and fertility? Are there any scientific studies that support the claim that nicotine consumption can adversely affect sperm count, motility, or morphology? Furthermore, what are the long-term consequences of nicotine exposure on male reproductive health, and what measures can individuals take to mitigate these effects? Understanding these factors is crucial for those considering quitting smoking or avoiding nicotine products altogether.