Hookworms are tiny worms that can live inside your small intestines. [1] They are parasitic and can create problems with your gut, such as diarrhea, pain, and anemia. Two types of hookworms can cause infection in the human body – Ancylostoma duodenale and Necator americanus. [2] Not everyone shows signs of hookworm infections. [2] If you are a healthy person with a low  parasite burden and eat foods with a lot of iron, you might…