Not proven, but Eat Fermented foods, lots of fiber, more veg, occasional fatty meats. Eliminate sugar, reduce carbs, exercise. Edit: I should probably add: Sl

Not proven, but Eat Fermented foods, lots of fiber, more veg, occasional fatty meats. Eliminate sugar, reduce carbs, exercise. Edit: I should probably add: Slowly introduce the fermented foods. If you're not used to them, might cause a few visits to the toilet if you have too much.