What are examples of roughage?

Examples of foods with roughage include:

* Whole grains, such as brown rice, oats, quinoa, and whole-wheat bread and pasta

* Beans, lentils, peas, and other legumes

* Fruits, such as apples, pears, oranges, and berries

* Vegetables, such as leafy greens, broccoli, carrots, and celery

* Nuts and seeds

* Popcorn