Get off the phone.
An odd but common habit; most of us are guilty of being on the phone when we're on the throne. "The first thing I tell my patients is, 'You're not going to the bathroom with your smartphone anymore,' " says Singh. The body is not great at passing waste unsupervised, so the process is best done with a little focus. Paying attention to Twitter instead of the task at hand can hinder the muscle coordination necessary to get the job done.