A diet rich in fiber, especially fiber from whole grains, can lower the risk of death in adults age 50-71, according to a new study published in the online edition of Archives of Internal Medicine.

Researchers evaluated dietary intake of individuals over a nine-year span and found that participants with the highest consumption of fiber were significantly less likely to die during the study period than those with the lowest fiber intake. Interestingly enough, the researchers also examined how the fiber from different food groups affected risk of death, and found that the fiber in grains (versus the fiber from fruits, vegetables and beans) had the most significant impact on reducing the risk of overall death as well as mortality from heart disease, cancer and infectious and respiratory diseases.

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