20 Surprising Things That Could Be Causing Diarrhea. We all know that our diet affects so much of our lives. If you’re dog tired, super fit, or getting sick, a lot of that can be traced back to the food you’re consuming. More than likely, you could fix one small part and see a variety of benefits. For example, if you’re spending a bit too much time in the bathroom, that may have more to do with the foods you’re eating than it does with your body just doing it’s normal thing.Diarrhea affects a lot of people. Thanks to medicine and safer foods, it’s not a super threatening problem to us in this modern age, but it sure is annoying. Diarrhea is usually caused by bacteria or a virus, neither of which you can completely avoid. There are other ways to come down with diarrhea, the most common being things you eat. Food is super complex, and almost every food has a good side and a bad one. Couple that with the vast variety of nutrients you need every day, and things get complicated. Luckily, we’ve narrowed down some foods (and other day-to-day things) you wouldn’t have thought of that may be forcing you to spend extra time in the bathroom.