What got their dander up?
谁他发?
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Researchers are still debating why early pet exposure helps keep allergies at bay. Some think that all the extra dust, dander and bacteria train a baby's immune system, stopping it from reacting unnecessarily.
不过,为什么早期与宠物接触会降低婴儿将来的过敏几率呢?研究人员对此仍意见不一。有人认为宠物身上的灰尘、屑、细菌都会让婴儿的免疫系统产生反应,阻止不必要的反应。
Pollen is a common offender, just because we encounter so much of it, but there's a long list of substances: dust, animal dander, insect venom, medications, certain foods, that can send your immune system into overdrive.
花粉是常见的入侵者,是为我们经常能够遇到,但还有很多其他类似的物质:如灰尘,动物屑,昆虫毒液,药物,特定食物,它们会使得你的免疫系统过度工作。