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Tabatha: I have spent years rebuilding my gut after reading your book, The Microbiome Solution. After 4 years of amazing health, I’m afraid of the damage that my next colonoscopy might do to my rebuilt gut microbiome. Should I be concerned and how can I still do my scheduled colonoscopies with the least amount of damage to my gut? Are there other options than a colonoscopy?  Dr. Chutkan: Tabatha, many of my patients, like you, have spent years working on rehabbing their gut microbiome, so your question is a really valid one. Preparing for a colonoscopy requires fasting and cleansing the colon using strong laxatives 24 hours before the procedure. This process can remove many of the microbes that live inside your gut. Let’s take a look at the science: a 2013 study assessed the effect of traditional colonoscopy prep on the gut microbiota in 10 men and 10 women,…