While there are many advantages of having a pet, keeping one in the dorms can be problematic because some students may be allergic to pets.

虽然养宠物有许多好处，在宿舍养宠物却可能会有问题，因为有些学生可能对宠物过敏。

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Find which food you are allergic to by a process of elimination.

用排除法找出你对哪种食物过敏。

《牛津词典》

Asthma, a bronchial condition, is much less common ailment than hay fever, an allergic inflammation of the nasal passages.

哮喘是一种支气管疾病，比花粉热（一种鼻道的过敏性炎症）要少见得多。

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He says C-section births have been linked to an increased risk of allergic reactions, diabetes and leukemia later in life.

VOA: special.2009.11.24

"Indiscriminate use of the product can cause side effects such as inflammation of the salivary glands, nausea,rashes,intestinal upset and possible severe allergic reactions.

VOA: special.2011.03.30

When they compared place of birth with allergic-disease prevalence, the scientists found that children born outside of the United States were less likely to develop asthma or allergies compared with those born in the United States: 20% of foreign-born kids developed allergic diseases compared with 34% of the American-born children.

CNN: American kids have higher allergy risk

In this study, the team tried to change these proteins and reduce the allergic properties of the nuts by subjecting them to gamma radiation and thermal processing.

BBC: NEWS | Health | Nut test 'shows smallest traces'

Her doctors were unable to find a combination of drugs to relieve her pain as she was allergic to many of those normally used to treat Eisenmenger's.

BBC: Assisted suicide campaigner Kelly Taylor dies