Over the years I have had a number of patients with painful kidney stones and once they have passed (or been removed) I have felt at a loss to helping them prevent them. “Stay hydrated” somehow didn’t seem adequate, although we know fluid intake can help stave off recurrent kidney stone attacks.
Some textbooks said “avoid calcium” since most stones are made of calcium oxylate. High oxylate levels can be found in some fruits and vegetables, as well as in nuts and chocolate. Yet there was no real scientific evidence that these foods caused stones. The evidence for who got kidney stones was all over the ballpark and for a physician, that means no prevention advice is really proven.
A new study published in the Clinical Journal of the American Society of Nephrology says that calcium rich foods such as low-fat milk and yogurt can be protective. What? Eat more calcium to prevent calcium-containing stones? It seems that higher intakes of calcium are actually associated with a reduction in kidney stone risk. Read more »
*This blog post was originally published at EverythingHealth*