A study conducted by Flinders University and published in the journal Nutrients found that high coffee consumption may be associated with lower bone mineral density (BMD) in older, postmenopausal women. Researchers analyzed data from 9,704 women aged 65 and older over a 10-year period, measuring BMD at key fracture-prone sites like the femoral neck and hip. The findings revealed that tea consumption was linked to higher total hip BMD, while drinking more than five cups of coffee daily correlated with reduced BMD. Moderate coffee intake (2-3 cups/day) showed no negative effects on bone health. However, factors like alcohol intake and obesity influenced these associations, with tea's positive impact being more pronounced in obese women. The study highlights the potential role of dietary habits in bone health but emphasizes that observational data cannot prove causation. Experts caution against overinterpreting results, noting that lifestyle factors and genetic predispositions also play critical roles. Recommendations for maintaining bone density include adequate calcium and vitamin D intake, regular physical activity, and limiting alcohol consumption. While excessive coffee intake may warrant moderation, especially for women with higher alcohol exposure, the study does not advocate abandoning coffee entirely.

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