There are a lot of books on this in the natural medicine world, and a lot of diets you can try, such as the macrobiotic, but all involve lots of antioxidants, good quality protein, good fats and avoiding the bad such as hydrogenated vegetable oil, and avoiding stimulants, pro-inflammatory
foods, and
foods high on the glycemic index, such as white flour and potatoes. In other words, strengthen your body instead of working against it.