Home | Cartersis Hypnotherapy Cartersis means a Hypnotherapist you can trust. For Hypnotherapy in both Croydon and Central London. Irritable Bowel Syndrome can make your life miserable, but there might be something you can do about it. When you change your thoughts, you can change your world. I have helped many people change their lives and using various techniques based on Hypnotherapy, CBT & Positive Psychology I can help you to make the changes you want too. Some of the other issues people come to see me for are help wit