二手烟与猫和狗的淋巴结癌、鼻癌和肺癌的发生有关，同时也会参与它们一系列的过敏性疾病、眼睛及皮肤疾病及呼吸道疾病的发生。

Second hand smoke has been linked with lymph gland, nasal, and lung cancers, plus a range of allergies, diseases of eye and skin, and respiratory problems in cats and dogs.

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甲醛一直被怀疑是导致鼻癌及肺癌的致癌物质。

Formaldehyde is a suspected carcinogen linked to nasal and lung cancer.

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