Eating a variety of high-fiber foods regularly can contribute to a healthier, longer life.Credit: Arx0nt / Getty ImagesKey TakeawaysEating enough fiber may lower your risk of death from heart disease, cancer, and other causes.Eat fiber regularly to support healthy gut bacteria and protect your gut barrier.Eat a mix of soluble and insoluble fiber from plant foods, such as vegetables, beans, fruits, and whole grains.Most Americans don’t get enough…