戴维森和史密斯的论文认为，锌鼻喷雾剂有助于治疗感冒的证据是“令人怀疑的”。
Davidson and Smith's paper notes that evidence zinc nasal sprays help with colds is "questionable".
不过另有报道发现锌鼻腔喷雾剂引起嗅觉丧失。
Some people have also reported that they lost their sense of smell after using zinc nasal sprays.
一些研究结果显示：锌的鼻腔喷雾剂和含片能缩短感冒病程、缓解感冒症状。
In some studies, zinc nasal sprays and lozenges have been shown to reduce the duration of a cold and the severity of symptoms, but overall, the research is inconsistent.
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