dear doctor, im 34 years male 5'8'' 70 kg.

im suffering from adult still disease for the past 4 years for the past three years i consult many doctors but they cant able to diganose my disease just six months ago i was diganose currectly but my problem is when i ask my doctor he said it will be cured in 2 to 3 years but when i searched it in internet i came to know this disease is uncureable so i like to know your valuable suggestion in it and also please advise me what is good diet for me.