Individuals whose homes were within 20 meters of a busy road were 15 per cent more likely to regularly have phlegm in their breathing passages, while they were 34 per cent more likely to have wheezing with breathing problems.
Individuals whose homes were within 20 meters of a busy road were 15 per cent more likely to regularly have phlegm in their breathing passages, while they were 34 per cent more likely to have wheezing with breathing problems.
居住在距离繁忙街道20米附近的人呼吸道有痰的几率比普通人高15％，他们比一般人有高出34％的几率患有呼吸困难等呼吸道疾病。