While health experts recommend eating more fresh, natural foods, some are best left alone. Many plants are not here for our benefit but to protect themselves from predators. That’s why some plants have developed chemical weapons to avoid being eaten. Surprisingly, our daily diets contain several of these potentially-toxic plants, which humankind has figured out how to eat safely. Be warned, some of your favorites could be on this list! Here are 11 secretly poisonous plants that we eat all the time.