Sometimes, while you’re in the shower, nature calls. But doctors warn against this common shower habit, explaining the serious problems it can eventually create. Not wanting to interfere with your self-cleansing routine to make it to the toilet, it is easy enough just to relieve yourself while you already have the water running in the shower. After all, it goes down the drain anyway, and it saves water you would otherwise use to flush the toilet.  However, we may not realize the surprising impacts that peeing in the shower has on our bodies, and one doctor is pleading with us to break the convenient yet problematic habit.  Dr. Teresa Irwin warned against peeing in the shower. The urogynecologist took to TikTok to share with viewers how peeing in the shower can pose a serious problem over time. Dr. Irwin compares the habit to the Pavlov dog experiment, a Russian psychologist who used his dogs to test behavioral theories and conditioning. In the experiment, Pavlov would ring a bell whenever he gave the dogs food. After a …