Older Adults Who Eat Yogurt Linked to Better Bone Health

Older Adults Who Eat Yogurt Linked to Better Bone Health
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Trinity College Dublin


Trinity College Dublin (click to view)

Trinity College Dublin

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The largest observational study to date of dairy intakes and bone and frailty measurements in older adults has found that increased yogurt consumption was associated with a higher hip bone density and a significantly reduced risk of osteoporosis in older women and men.

The study led by Trinity College Dublin, Ireland, in collaboration with St James’s Hospital Dublin and co-investigators from Nutrition at Ulster University, Coleraine investigated participants from the Trinity Ulster Department of Agriculture (TUDA) ageing cohort study (>5000 people).

Total hip and femoral neck bone mineral density measures in females were 3.1-3.9% higher among those with the highest yogurt intakes compared to the lowest and improvements were observed in some of the physical function measures (6.7% better). In men, the biomarker of bone breakdown was 9.5% lower in those with the highest yogurt intakes compared to the lowest. This is an indication of reduced bone turnover.


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To determine risk factors for being diagnosed as osteoporotic, the research team analysed a wide range of factors such as BMI, kidney function, physical activity, servings of milk or cheese, and calcium or vitamin D supplements as well as traditional risk factors for bone health (e.g. smoking, inactivity, alcohol etc.). After adjusting for all these factors, each unit increase in yogurt intake in women was associated with a 31% lower risk of osteopenia and a 39% lower risk of osteoporosis. In men, a 52% lower risk of osteoporosis was found. Vitamin D supplements were also associated with significantly reduced risks both in men and women.

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