Eating a high-fiber diet from whole grains, vegetables, fruits, legumes, and nuts; staying hydrated; exercising regularly; and managing stress are among the 10 tips recommended to improve and maintain digestive health according to a registered dietitian. A high-fiber diet promotes regularity and can help prevent or treat digestive issues like constipation, hemorrhoids, and IBS. Incorporating probiotics from foods like yogurt can also enhance nutrient absorption and strengthen the immune system.