MedicalResearch.com Interview with:
Prof. Jonathan M. Hodgson
School of Medicine and Pharmacology
Royal Perth Hospital
University of Western Australia
MedicalResearch What is the background for this study? What are the main findings?
Prof. Hodgson: Flavonoids are a class of phytochemicals present at high levels in tea. Observational studies have found that higher tea and flavonoid intakes are associated with higher bone mineral density. However, the relationships of tea and flavonoid intakes with fracture risk are not clear. We therefore examined the relationship of black tea drinking and flavonoid intake with fracture risk in a population of women aged over 75 years followed for 10 years. We found that a higher intake of black tea and particular classes of flavonoids, some of which are derived primarily from tea, were associated with lower risk of fracture-related hospitalizations in these elderly women.
MedicalResearch: What should clinicians and patients take away from your report?
Prof. Hodgson: Drinking tea and higher intakes of flavonoids may provide benefits on risk of fracture in older women. Although the results of previous studies suggest that benefits on bone density could account for the observed relationships, our analysis did not find reduced loss of bone density over 5 years of follow up in these women. This indicates that other mechanisms could also be involved.
MedicalResearch: What recommendations do you have for future research as a result of this study?
Prof. Hodgson: Further observational studies and clinical trials would be needed before tea and flavonoid consumption could be recommended for fracture prevention. In particular, observations studies including men and younger women, and in populations with different profiles of flavonoid intakes would be useful.
Myers G1, Prince RL2, Kerr DA3, Devine A4, Woodman RJ5, Lewis JR2, Hodgson JM6
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Prof. Jonathan M. Hodgson (2015). Black Tea Linked To Lower Fractures in Elderly Women