nachi

飯後吸煙的危害比平時大10倍。這是由於進食後的消化道血液循環量增多，致使煙中有害成分大量吸收而損害肝、腦及心臟血管。& p! n' ^7 K+ f9 e* G" P

$ c$ N& l, Z, {5.39.217.76what are the 有害成分? except tar that goes into the lungs