Other than prostate enlarge which can cause men's bladder become smaller, what other causes can make our bladder shrink?

Here are some ...: The bladder per se would not shrink, but its ability to hold urine may change and become less able to hold from various causes over lifetime; they are, not limited to: UTI or IC or OAB; consuming bladder irritants such as coffee, spicy foods, etc.; compensating stage of bladder outlet blockage; some central nerve diseases such as CV, Parkinsion, Alzheimer's, etc.; bladder cancer/CIS....

Here are some...: The real bladder shrinkage occurs from long-term indwelling catheter, radiation, etc. leading to some scar-like tissue change and poor stretchability of bladder muscle. Most of times, bladder shrinkage refers to decrease its lower ability to accommodate bladder filling with urine, resulting from aging, long-term effect of bladder outlet obstruction, chronic bladder inflammation,... etc. Ask Doc..