Sugary soft drinks may play some role in the progression of knee osteoarthritis, according to study results presented at the 2012 annual meeting of the American College of Rheumatology. This finding is in addition to the association between soft drink consumption, weight gain, and obesity -- known risk factors for osteoarthritis.
Researchers evaluated data from 2,149 study participants who had x-ray evidence of knee osteoarthritis. Soft drink consumption was determined by a Food Frequency Questionnaire. Follow-up, to track osteoarthritis progression, occurred at 12, 24, 36, and 48 months. Men who drank more soft drinks per week had worse knee osteoarthritis progression. Inexplicably, men with lower body mass index (BMI below 27.5) had more progression of knee osteoarthritis with increased soft drink consumption than men with higher BMI. However, only women with BMI lower than 27.3 showed an association between knee osteoarthritis progression and soft drink consumption.
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