美国得克萨斯大学M·D·Anderson癌症中心的Wu博士报告，对一种主要致癌物质，苯并在二醇环氧化物（BPDE）敏感的吸烟者，可能特别易患肺癌（Cancer，1998；83：1118）。Wu博士等对57例新近被诊断为肺癌的患者及82名对照者进行BPDE敏感性比较。他们发现，69％的癌症患者对BPDE Dr. Wu from M.D. Anderson Cancer Center, University of Texas, USA, reported that smokers of a major carcinogen, benzo-epoxide epoxide (BPDE), may be particularly susceptible to lung cancer (Cancer, 1998;83: 1118). Dr. Wu et al. compared the sensitivity of BPDE to 57 patients newly diagnosed with lung cancer and 82 controls. They found that 69% of cancer patients had BPDE