Research suggests air air pollution harms male fertility | DW News

Could the air we breathe be affecting male fertility? A four-year study found that exposure to common air pollutants during sperm development was associated with subtle DNA changes that may influence gene activity and reproductive health. Ozone and nitrogen dioxide showed the strongest links. Reproductive biology expert Professor Richard Lea from the University of Nottingham explains what these findings mean for fertility, future children, and people living in polluted cities.

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