大脑的发育,这是由于平时多吃了下列食物。含铅食物铅是脑细胞的一大“杀手”,食物中含铅量过高会损伤大脑,引起智力低下。有的孩子常吃爆米花,由于爆米花在制作过程中,机罐受高压加热后,罐盖内层软铅垫表面的铅一部分会变成气态铅。皮蛋在制解过程中,其原料中含有氧化铅和铅盐 Brain development, which is due to usually eat the following foods. Lead in lead foods is a big killer of brain cells. Excessive levels of lead in foods can damage the brain and cause mental retardation. Some children eat popcorn, the popcorn in the production process, the tank heated by high pressure, the lid part of the inner surface of lead soft lead pad will become part of the lead in gaseous lead. Preserved eggs in the process of decomposition, the raw materials containing lead and lead salts