Ragweed is a common allergen, especially during the fall.

豚草是一种常见过敏原，秋天时尤为常见。

Or mouth guards or airborne allergens or any of your other weird afflictions!

或者牙齿保持器和气传过敏原或任何你其他怪毛病了！

For one thing, warmer temperatures are making the growing season for some allergen producers longer.

其一，气候变暖使产生过敏原生长季节变长。

I don't want to go back out there, grizz! It's cold and full of outdoor allergens!

我不想再回到原来地方，棕熊！很冷，而且到处是室外过敏原！

Typically, the best thing for allergic rhinitis is to simply avoid the triggering allergen if possible.

一般来说，预防过敏性鼻炎发作最好方法就是尽可能地避免接触过敏原。

Interestingly, there's evidence that early exposure to allergens might protect against type 1 hypersensitivity.

有趣是，有究表明：早期过敏原暴露将降低I型超敏反应发生率。

Being exposed to an allergen as a baby makes you less likely to actually develop an allergy to it.

当婴儿时期暴露于某一过敏原时，让你较不会对它产生过敏。

For the past 20 years, he has been studying the effects of climate change on allergens.

过去20年来，他一究气候变化对过敏原影响。

For example, as the climate warms, the areas for major allergen-producing trees such as oak are getting larger.

举例来说，气候变暖时，种橡树等主要产生过敏原树木地区不断扩大。

When we are first exposed to an allergen, we don't have much of a reaction… on the outside.

当我们第一次接触过敏原时，我们没有太多反应… … 身体外部是这样。

In asthma there is often an excessive reaction from type 2 helper cells or Th2 cells against specific allergens.

哮喘中，2型辅助细胞或Th2细胞，会对特定过敏原反应过度。

France's DBV Technologies is researching skin-based treatments as another way to help the body tolerate allergens like peanuts.

法国DBV科技公司正究一种基于皮肤治疗方法，作为帮助人体耐受花生等过敏原另一种方法。

It traps dirt and germs, it keeps water out, and it collects bacteria and other dusty allergens and irritants.

它能够捕获灰尘和细菌，把水挡外面，收集细菌和其他尘土飞扬过敏原和刺激。

This reflex likely prompted our outdoor-dwelling ancestors to remove parasitic threats and other irritating things like thorns and allergens.

这种反射可能促使我们居住户外祖先消除寄生虫威胁和其他刺激性东西，如荆棘和过敏原。

And dust mites, well, they're actually not the only allergen in a dirty bed.

而尘螨实际上并不是脏床上唯一过敏原。

It's cold and full of outdoor allergens!

很冷 而且到处是室外过敏原！

Well, soya is a common allergen, and according to foodallergy.

好吧，大豆是一种常见过敏原，并且根据食过敏。

This gradually boosts tolerance to the allergen by reducing the immune system's tendency to produce IgE each time.

这种治疗方法通过逐步抑制免疫系统产生IgE型抗体来提高机体对过敏原耐受性。

Prolonged exposure to an allergen with minimal symptoms.

Chase: 长时间暴露于过敏原, 症状轻微。

Another theory is that an immune system toughened up by a barrage of pathogens is less likely to overreact to allergens.

另一个理论是受病原体猛攻后所强化免疫系统对过敏原较不会过度反应。