Ragweed is a common allergen, especially during the fall.

豚草是一种常见的原，秋天时尤为常见。

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

或者牙齿和气传原或任何你其他的怪毛病了！

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

其一，气候变暖使产原植物的长季节变长。

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

我不想再回到原来的地方，棕熊！很冷，而且到处是室外原！

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

一般来说，预防性鼻炎发作的最好方法就是尽可能地避免接触原。

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

有趣的是，有研究表明：早期的原暴露将降低I型超反应的发率。

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原时，让你较不会对它产。

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

去20年来，他一直在研究气候变化对原的影响。

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，种植橡树等主要产原树木的地区在不断扩大。

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

当我们第一次接触原时，我们没有太多的反应… … 在身体外部是这样。

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

在哮喘中，2型辅助细胞或Th2细胞，会对特定原反应度。

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

法国的DBV科技公司正在研究一种基于皮肤的治疗方法，作为帮助人体耐受花等原的另一种方法。

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，把水挡在外面，收集细菌和其他尘土飞扬的原和刺激物。

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在户外的祖先消除寄虫威胁和其他刺激性的东西，如荆棘和原。

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的唯一原。

It's cold and full of outdoor allergens!

很冷 而且到处是室外原！

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

好吧，大豆是一种常见的原，并且根据食物。

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

这种治疗方法通逐步抑制免疫系统产IgE型抗体来提高机体对原的耐受性。

Prolonged exposure to an allergen with minimal symptoms.

Chase: 长时间暴露于原, 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的免疫系统对原较不会度反应。