vitamin D

1 entry tagged vitamin D. All writing.

SEPTEMBER 10, 2026 What a Kidney Stone Actually Is, and Why It Forms About one adult in ten will make a kidney stone. Before the questions about water, calcium and what to eat, the first one: what a stone actually is, what it is made of, and why it forms in some kidneys and not others — read from the studies. With a postscript on hard water, distillers, and calcium pills.

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