To inestigate, Arndt and colleagues sureyed 314 women one year after they were diagnosed with breast cancer, using a questionnaire that gauged both quality of life and leels of symptoms.

• 虽然明白癌症患者的症状影响他们的生活质量，但很少研究者曾试图去分离每个症状的个体效应，他们在癌症杂志写道。