Dietary fiber is important in digestion, and its relationship with chronic disease has been a topic of great interest for many years. Fiber consists of undigestible plant carbohydrates in both soluble and insoluble forms.1 Soluble fiber (eg, fruit pectin) dissolves in water to form a gel, whereas insoluble fiber (eg, cellulose from wheat bran) does not.
Do the Health Benefits of Dietary Fiber Extend Beyond Cardiovascular Disease?Comment on “Dietary Fiber Intake and Mortality in the NIH-AARP Diet and Health Study”. Arch Intern Med. 2011;171(12):1069-1070. doi:10.1001/archinternmed.2011.19