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影响。

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

其一，气候变暖使产生植物生长季节变长。

Ragweed is a common allergen, especially during the fall.

豚草是一种常见，秋天时尤为常见。

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

我不想再回到来地方，棕熊！很冷，而且到处是室外！

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时，让你较不会对它产生。

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，会对特反应度。

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

当我们第一次接触时，我们没有太多反应… … 在身体外部是这样。

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

法国DBV公司正在研究一种基于皮肤治疗方法，作为帮助人体耐受花生等另一种方法。

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，种植橡树等主要产生树木地区在不断扩大。

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祖先消除寄生虫威胁和其他刺激性东西，如荆棘和。

It's cold and full of outdoor allergens!

很冷 而且到处是室外！

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

好吧，大豆是一种常见，并且根据食物。

One type is called the patch test, where allergens are applied to small patches and stuck onto the skin.

其中一种叫斑片试验：将涂布到斑片上，再将斑片贴到皮肤上。

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

一般来说，预防性鼻炎发作最好方法就是尽可能地避免接触。

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

另一个理论是受病体猛攻后所强化免疫系统对较不会度反应。

Deliberate, controlled exposure to gradually increasing amounts of an allergen can teach the immune system that it isn't dangerous after all.

在学控制下，特地暴露于数量逐渐增加可以让免疫系统知道这些物质并不危险。

If you never cleaned your contacts, then protein deposits, allergens and microorganisms would buildup on the lens leading to blurred vision.

如果你从不清洗隐形眼镜，那么蛋白质沉积物、和微生物就会在镜片上堆积，导致视力模糊。

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

有趣是，有研究表明：早期暴露将降低I型超反应发生率。

Common allergies include foods that contain milk or eggs, some kinds of nuts, and flour made from some grains, such as wheat.

常见食物包括含有牛奶或鸡蛋食物、某些坚果，以及一些谷物制成面粉，如小麦。