The part of our immune system that recognizes allergy causing food also reacts to certain wormy, buggy infections.

我们免疫系统一部分可以识别导致过敏食物，也能对特定虫害感染起反应。

It causes sun sensitivity that can last for a year.

它会导致对阳光过敏，这种过敏可能会续一年。

The researchers therefore wondered whether the reactions being created by LasB could cause lasting allergies to develop.

因此，研究员想知道LasB生反应是否会导致过敏反应。

We know what's causing them, we know a little bit about how to prevent them, but we don't know why they exist or how to cure them.

我们知道导致过敏原因，我们大概了解要怎样预防过敏，但我们不知道为什么会存在食物过敏问题，还有如何治愈它们。

Dust mites and their feces produce proteins that cause red and itchy eyes, runny noses, and other cold-like symptoms in people who are allergic.

尘螨及其粪便会生蛋白质，导致过敏者眼睛发红、发痒、流鼻涕以及其他类似感冒症状。

And there's a theory that being too clean and bacteria-free – now we have soap, antibiotics and better sanitation – has lead to an increase in allergies.

有一个理论称太注意清洁，比如我们现在用香皂、抗生素，加强个卫生，会导致过敏症状增加。

14. Allergen Transfer: Even if individuals are not allergic to pets, they may carry allergens on their fur or paws, potentially causing discomfort to others who are allergic.

14. 过敏原转移：即使个对宠物不过敏，他们皮毛或爪子也可能携带过敏原，可能导致过敏其他感到不适。