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Calcium Supplements Show No Dementia Risk in Older Women

10/12/2025

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Summary

Story summary

A study from Australia found that calcium supplements do not raise dementia risk in older women.
The trial enrolled 1,460 women aged 70+, with half given 1,200 mg calcium daily for five years.
After 14.5 years, dementia rates were similar between the calcium and placebo groups.
The study's limitations include focusing on older white women.
More trials are needed to confirm the findings and assess applicability to other demographics.

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Story summary

A study from Australia found that calcium supplements do not raise dementia risk in older women.
The trial enrolled 1,460 women aged 70+, with half given 1,200 mg calcium daily for five years.
After 14.5 years, dementia rates were similar between the calcium and placebo groups.
The study's limitations include focusing on older white women.
More trials are needed to confirm the findings and assess applicability to other demographics.