调查统计表明，65岁以上的老人，胃肠道出血的危险性是中年人的6倍。美国和意大利的科学家经研究证实，老年人如果能经常坚持散步，可使胃肠道出血的危险性减少一半。散步预防胃肠道出血 Survey statistics show that the elderly over the age of 65, gastrointestinal bleeding is 6 times the risk of middle-aged people. Researchers from the United States and Italy have confirmed through studies that the elderly can halve the risk of gastrointestinal bleeding if they can often walk. Walking to prevent gastrointestinal bleeding