Any advice that we give is based on the information you have given us. You should always follow advice you have been given by a health professional.
As you have a long term health problem and your weight is above the healthy range it is important that you take action.
You have told us that you have lost weight many times before but put most of the weight back on.
From the information you have given us we think that you need more help than this website can give. Follow this link to the other services that are available across Wales that you might find helpful or speak to your GP, practice nurse or specialist nurse about your options.