Cockroaches are attracted to a wide variety of environmental factors, which is why they are such a common pest to find in homes, businesses, and many places in the environment. They can fit through the tiniest holes and will eat almost anything. Plus, they’re resilient enough that they can go for long periods of time without food or water, which means they can continue infesting a chosen location even if it no longer has a source of nourishment. Unfortunately, cockroaches can also be a dangerous pest, and it’s important to do what you can to avoid an infestation. Here’s what you need to know about what causes cockroaches.