许多日常接触的物质,包括酒精、阿司匹林以及有关的非类固醇消炎药能造成肠道损伤,严重时足以引起消化性溃疡、出血有时甚至死亡。过去认为这种损伤经两种途径所致:即上述物质可能直接破坏肠道内壁或抑制肠道的天然防御机制。本月初在柏林召开的欧洲胃肠病学会议上,慕尼黑大学的研究人员提出了第三种涉及 Many daily-exposed substances, including alcohol, aspirin, and related non-steroidal anti-inflammatory drugs can cause intestinal damage, severe enough to cause peptic ulcer bleeding and sometimes death. In the past, this damage was thought to have been caused by two routes: the above substances may directly destroy the intestinal lining or inhibit the natural defense mechanism of the intestine. At the European Gastroenterology Conference in Berlin earlier this month, researchers at the University of Munich proposed a third