金属：例如铅和汞，造成婴儿和儿童的神经损伤。

Metals: such as lead and mercury, cause neurological damage in infants and children.

youdao

但是这些金属会导致癌症及脑损伤。

But when consumed, they can cause cancer and brain damage.

youdao

而这种药物无法弥补已产生的大脑损伤，且药物本身存在风险，因为它们也会将有用的金属元素，如铁与锌一并剥离排出体外。

But the drugs cannot reverse brain damage that has already occurred, and they carry risks of their own because they also strip useful metals from the body, such as iron and zinc.

youdao