My weight 62 kg

Take high fiber low fat diet followed by detox diet. Drink lot of water everyday. Take small and frequent meals at regular intervals of 2-3 hrs. Avoid outside food completely. Ask me directly for customized diet plan for you 

please read the link below for detailed information on the condition. https://ghr.nlm.nih.gov/condition/bardet-biedl-syndrome

High fiber low fat foods especially all greens and fresh fruits, sprouts , oatmeal etc.