Did you shudder a bit when you read the word “parasites” in the title? It’s not a pleasant topic! However, intestinal parasites are more common than many people realize.

Parasites are living organisms that live off of their human hosts. There are a number of possible types of parasites, and many can have a negative impact on your health. Although parasites are a bigger problem in developing countries, parasitic infections occur surprisingly often in North America. Consider these stats:

• In the U.S. ...