Fiber not only increases the bulk of the food and moves it through the gastrointestinal tract more rapidly, but also helps in preventing constipation and possible colon and rectal cancer. Intake of fiber through various foods such as nuts, whole-grain flour, fruits, and vegetables is now associated with decreased low-density lipoprotein (LDL)-cholesterol, lower insulin demand, increased stool bulk, softening of fecal contents, and improved laxative properties. Epidemiological studies have correlated high consumption of fiber with lower incidence of certain diseases such as cardiovascular and cancer of colon and rectum. Several conditions such as diabetes, atherosclerosis, breast cancer, diverticulitis, hemorrhoids have been connected to a low intake of fiber.
Complete article with links to research reports.
Role of Fiber in Cardiovascular Diseases: A Review
Comprehensive study of the causes of Cardiovascular Diseases and the impact of different kinds of food consumption on the risks, with a special focus on fiber.