Actually, I think there may be some examples of highly spiritual and anointed environments affecting the aging process, and this experiment would be worth looking into.
Exodus records that clothes did not wear out due to the glory of God.
But you have to be careful. Just godliness is not going to stop the aging process. Godly people die too.
It's going to have to be a very miraculous environment with a specific anointing of what the Bible refers to as the Shekinah (sp?) glory.
There may indeed be revival centers though where we could see this effect, and I think they may well indicate less aging and a reversal effect in the near vicinity, and it could be argued to validate the concept of the existence of sin, imo.
But it's probably not going to just happen comparing a godly church or home with a whorehouse. You are going to have to find something a bit more unusual or stronger.
If that type of anointing is present, you would see diseases disappear as well and miraculous healings. Maybe there is some way to place 2 identically aged materials in both environments and test them. That would be interesting.