It turns out that some foods counteract the formation of kidney stones. If you drink milk when you eat oxalates, the oxalates will not fuse into stones and wil

It turns out that some foods counteract the formation of kidney stones. If you drink milk when you eat oxalates, the oxalates will not fuse into stones and will be excreted normally in your urine. Oxalates are present in tea too, though not coffee, IIRC.