曼谷日益增多的城市贫民,特别是低经济收入家庭的年幼儿童,面临着由城市交通污染物造成的不可逆的健康损害。泰国公共卫生局的医师调查了位于主干道公路旁边的曼谷小学210名儿童,发现不少儿童平衡功能及手动作敏捷程度有问题,30％有口腔铅线,即在上、下齿龈的横线有少量硫化铅沉积,表明是明显的铅中毒。最近由世界银行所作的一份报告也举出泰国首都由汽车排出的空气含铅量正在引起严重的公害问 The growing number of urban poor in Bangkok, especially young children of low-income families, face irreversible health damage caused by urban traffic pollutants. Physicians of Thailand’s Public Health Bureau surveyed 210 children in a Bangkok primary school next to the main road. They found that many children had problems with balance function and agility in hand movements, and 30% had oral lead lines, which were horizontal lines on the upper and lower gums. There was a small amount of lead sulfide deposition, indicating obvious lead poisoning. A recent report by the World Bank also cited the lead in air emissions from cars in the Thai capital that is causing serious public hazards.