can it, yes, will it, not likley.
If youre passing the stones they are relatively small. If yo uget a huge stone that becomes obstructed you could damage that kidney, not too common but i have seen it happen. The human body tends to be redundant and has a lot of backup A huan can function perfectly normally with only half of one kidney.
Ian diet can def be a casue/factor in him getting recurrent stones.
Tom
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