(CNN) — The day after I had kidney stone surgery, I suddenly couldn’t pee. My bladder felt full, but nothing was coming out. I’m a urologist and even I was freaking out: I felt stuck, panicked and ...

If you were to draft a list of places where you’d ideally spend your time, your bathroom probably wouldn’t make the cut (let alone a gross public restroom). But if you deal with frequent urination, or ...