Women who frequently consume coffee may want to reconsider their daily intake, especially if they’re in their postmenopausal years. A study from Flinders University, published in Nutrients, highlights the link between high coffee consumption and lower bone mineral density (BMD) in older women.

Study Findings

The research analyzed data from 9,704 women aged 65 and above over a decade. It observed their coffee and tea consumption and measured their BMD at the femoral neck and hip, common sites for osteoporosis-related fractures.

Findings revealed that tea drinking was linked to higher total hip BMD. In contrast, drinking more than five cups of coffee daily was linked to lower BMD. Moderate coffee consumption, or two to three cups per day, showed no adverse impact on bone health.

Factors Influencing Bone Density

Additional lifestyle factors also influenced the results. Women with higher alcohol consumption showed a stronger link between coffee intake and lower femoral neck BMD. Conversely, the beneficial relationship between tea and bone density was more evident among women with obesity.

Osteoporosis is a global public health issue, impacting individuals of all ages, genders, and ethnicities.

Osteoporosis results in low BMD and is a growing concern. Data shows that one in three women and one in five men over 50 experience osteoporosis-related fractures. In the U.S., the number of older adults with low BMD in critical areas like the hip or spine is expected to increase significantly by 2030, affecting healthcare costs and long-term disability rates.

Understanding the Impact

Co-author Ryan Liu explained that tea contains compounds called catechins, which may support bone formation and reduce bone breakdown. In contrast, caffeine in coffee might interfere with calcium absorption and bone metabolism, although adding milk can mitigate these effects. Older women who consumed tea showed higher BMD than those who didn’t.

Practical Recommendations

Consuming moderate amounts of tea might aid bone health. However, very high coffee intake, particularly for women who consume alcohol, may not be beneficial.

Symptoms of osteoporosis include back pain, reduced height, and a stooped posture. Preventative measures for bone health include a diet rich in calcium from dairy, leafy greens, and canned fish with bones. Sufficient vitamin D intake is vital for calcium absorption. Regular exercise, particularly weight-bearing and strength training, supports bone health and reduces fall risks.