A 10-year study of nearly 10,000 older women found that regular tea drinking was associated with slightly higher hip bone mineral density compared to non-tea drinkers. The difference was modest but statistically significant, and researchers note that even small improvements in bone density can translate into fewer fractures across large populations. The bioactive compounds in tea, such as catechins and flavanols, may contribute to this effect through antioxidant and anti-inflammatory properties. The study also noted that moderate coffee consumption did not appear harmful, but very high intake (more than five cups a day) was linked to lower bone density.
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