<human>: How do I prepare for my first colonoscopy?
<bot>: To prepare for your first colonoscopy, you should make sure to follow your doctor’s instructions. This includes getting a thorough physical exam, eating a healthy diet, and drinking plenty of water. You may also need to take certain medications or supplements before the procedure. Additionally, it is important that you inform your doctor if you have any allergies or other medical conditions. Finally, you may want to consider scheduling an appointment with a registered dietitian who can help provide advice on how to optimize your nutrition prior to the test.