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Fiber Linked with Less Knee Pain Worsening and Less Symptomatic Osteoarthritis
Osteoarthritis is a painful joint condition in which the ﬂexible tissues at the ends of bones get worn down. To see how eating patterns might relate to joint pain in this condition, scientists analyzed the diets of 5,227 US adults (average age = 61) with (or at risk of) osteoarthritis. Those eating 20.6 grams of ﬁber per day were 30% less likely to develop symptomatic osteoarthritis than those eating only 8.6 grams of ﬁber per day, and scientists noted a dose-response relationship (meaning that higher ﬁber intakes are correlated with a lower risk of symptomatic osteoarthritis). Similarly, the researchers found that those eating the most cereal ﬁber (the type of ﬁber in whole grains) had a 14% lower risk of knee pain worsening than those eating the least (8.4 grams vs 2.8 grams). However, results were not statistically signiﬁcant for other types of ﬁber (such as ﬁber from fruit or nuts).
Annals of the Rheumatic Diseases. 2017 May 23. [Epub before print.] (Dai Z et al.)