https://mistertranslation.com/health/ Notes on health, nutrition and medicine, worked through one question at a time from the primary literature: what the studies actually found, how sure anyone can honestly be, and what that leaves a reasonable person to do. Written by a reader, not a clinician — nothing here is medical advice. en https://mistertranslation.com/health/what-a-kidney-stone-is-and-why-it-forms.html https://mistertranslation.com/health/what-a-kidney-stone-is-and-why-it-forms.html Thu, 10 Sep 2026 12:00:00 +0000 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. kidney stones urology nutrition calcium oxalate uric acid hydration sodium diet first principles supplements hard water vitamin C vitamin D