Too much coffee may weaken bones, study finds
A study from Flinders University involving 10,000 older women suggests that while moderate coffee consumption is safe, drinking more than five cups daily is linked to lower bone mineral density. Conversely, the study found a slight positive correlation between tea consumption and bone health.
Why it matters
These findings provide actionable health guidance for aging populations regarding daily beverage habits and osteoporosis prevention.
Researchers at Flinders University have found new evidence that coffee and tea may have different relationships with bone health in older women.
Published in Nutrients , the study tracked nearly 10,000 women aged 65 and older for 10 years. The researchers examined whether regular coffee and tea consumption was associated with changes in bone mineral density (BMD), an important measure used to assess osteoporosis risk.
Osteoporosis is a major health problem worldwide. It affects roughly one in three women over age 50 and is responsible for millions of fractures each year. Because billions of people drink coffee or tea every day, even small effects on bone health could have broad implications. Previous research on the subject has produced mixed findings, and relatively few studies have followed participants for such a long period.
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