polyphagia with emaciation

例句：

1. 1.She was diagnosed with polyphagia and required a special diet.
   她被诊断出患有贪食症，需要特殊的饮食。
2. 2.The patient had developed polyphagia due to chronic disease.
   由于慢性疾病，患者发展出了贪食症。
3. 3.Polyphagia is a condition that can lead to serious health problems if left untreated.
   贪食症是一种如果不治疗可能会引发严重健康问题的状况。