In new [animal] experiments it has been shown again that even a short period -2 days- of excessive sugar consumption can cause a flare-up of Crohn’s disease or Colitis ulcerosa [ulcerative colitis]This is also the experience of many patients with bowel disease [IBD][inflammatoy bowel disease]Also, someone without such a disease can provoke the first attack.So, enjoy life, but be clever!