Researchers analyzed 10 years of extensive health and nutrition data in a study of more than 1,600 Australian adults, to see how carbohydrate nutrition (Glycemic Index, Glycemic Load, total carbs, sugars, and ﬁber) relates to successful aging. The researchers deﬁned successful aging as absence of disability, depression, cognitive problems, respiratory problems, or chronic disease (like heart disease or cancer). Adults eating the most total ﬁber were signiﬁcantly more likely to age successfully. Additionally, those eating the most cereal ﬁber (the type of ﬁber in whole grains) were 78% more likely to age successfully than those eating the least, and those eating the most fruit ﬁber were 64-81% more likely to age successfully. Those eating a higher Glycemic Index at the beginning of the study were more likely to die throughout the study, but neither Glycemic Index, Glycemic Load, total carbohydrate, nor sugar intake were signiﬁcantly associated with successful aging.
The Journals of Gerontology: Series A, Biological Sciences and Medical Sciences. 2016 Jun 1. pii: glw091. [Epub ahead of print] (Gopinath B et al.)