嗅觉丧失会影响生活的很多方面。没有良好的嗅觉，食物可能变得索然无味。可能会难以区分食物。
丧失部分嗅觉称之为嗅觉减退。丧失全部嗅觉称之为嗅觉缺失症。丧失嗅觉可能是短期或长期的，取决于具体病因。
即使是失去部分嗅觉也会导致对饮食失去兴趣。不进食就会导致减重、营养不良甚或是抑郁。
嗅觉可以警告人们存在的危险（例如烟雾或变质的食物）。
March 01, 2024
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