Catheters suck, but they’re a necessary evil for men who want to know if they have benign prostatic hyperplasia (quickie Giz diagnosis: you’re cancer-free, but pee six times an hour). And in addition to excruciating tube-down-your-johnson pain, the catheter also carries with it the potential for infection. The process could be changing soon, however, thanks to researcher Tim Idzenga. Basically, the Dutchman will diagnose BPH by listening to your business with a microphone.