From Science Daily:

Most people know that a diet high in fiber helps to keep us “regular.” Now Australian researchers have uncovered a surprising benefit of this often-undervalued dietary component.

A new paper — published in The Journals of Gerontology, Series A: Biological Sciences and Medical Sciences by scientists from The Westmead Institute for Medical Research — reports that eating the right amount of fiber from breads, cereals, and fruits can help us avoid disease and disability into old age.

Using data compiled from the Blue Mountains Eye Study, a benchmark population-based study that examined a cohort of more than 1,600 adults aged 50 years and older for long-term sensory loss risk factors and systemic diseases, the researchers explored the relationship between carbohydrate nutrition and healthy aging.

They found that out of all the factors they examined — which included a person’s total carbohydrate intake, total fiber intake, glycemic index, glycemic load, and sugar intake — it was the fiber that made the biggest difference to what the researchers termed “successful aging.”

Successful aging was defined as including an absence of disability, depressive symptoms, cognitive impairment, respiratory symptoms, and chronic diseases including cancer, coronary artery disease, and stroke.

According to lead author of the paper, Associate Professor Bamini Gopinath, PhD, from the Institute’s Centre for Vision Research, the study is the first to look at the relationship between carbohydrate intake and healthy aging, and the results were significant enough to warrant further investigation.

“Out of all the variables that we looked at, fiber…

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