Less common causes include drug abuse and overdoses of some prescription medications.

不太常见的原因包括滥用药物和过量服用一些处方药。

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Other common causes include exposure to excessive noise, head and ear injury, ageing and the use of ototoxic drugs.

其他常见病因包括接触过量的噪音、头部和耳朵受伤、衰老和服用耳毒性药物。

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First discovered in the 1950s, adenovirus is a major class of disease-causing agents that include viruses that causes the common cold.

腺病毒在1950年被发现，是一类致病因子的主要种类，包括能导致普通感冒的病毒。

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Common causes include foods such as peanuts, tree nuts, sesame, fish, shellfish, dairy products and eggs.

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Common causes of slipping margins include increased product costs, increased shipping expense, finance costs, sales and discounting or inventory shrinkage due to theft or waste (food business).

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Less common causes of enlarged lymph nodes include infections such as cat scratch disease, tuberculosis and sexually transmitted diseases.

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