Traffic jams can be more dangerous than you think. The vehicular fumes not only choke your lungs, ruin your skin and peak your stress levels, now doctors claim it can also bring down your fertility. After physiological imbalances and stress, pollution is emerging as the new-age contributing factor to low fertility in men and women alike. Chemical pollutants can trigger hormonal irregularities, says gynaecologist Dr Padmini Prasad.