https://www.youtube.com/watch?v=GPmqSEsUVL0 In this Crohn's & Colitis Foundation of America video, learn more about the immune system and the immune response and IBD. Learn more about IBD here: http://bit.ly/learnIBD 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 other 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.