>>Well, I assume renting is better for your health: I was significantly less stressed about all the water damage that we had about two years ago, because I knew it was ultimately my landlord's problem, not mine.

Paid by your money.

>> But the overall effect is likely to be rather minor, and it can go either way, as some people get a mental health benefit out of knowing that they own their home.

I get a feeling if one is fairly rich they don't have to worry about money. When you are that rich, it doesn't matter whether you rent or own.