https://www.youtube.com/watch?v=Ja-uK9f38io In this video from Alissa Linnae, the vlogger talks about inflammatory bowel disease (IBD) and its effects. MORE: IBD is on the rise in Canadian children under the age of five. Alissa briefly talks about Crohn's disease and then moves on to the disease she suffers from: ulcerative colitis. She explains that patients are usually diagnosed with IBD between the ages of 15 and 25 (although patients can be diagnosed much younger and much older). While both diseases share commonalities, the main difference is that Crohn's disease can occur in any part of the digestive system from the anus up to the mouth, whereas ulcerative colitis only affects the large intestine. MORE: Tips for living with ulcerative colitis at college. IBD News Today is strictly a news and information website about the disease. It does not provide medical advice, diagnosis or treatment. This content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or another qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.