From mosquitoes to bed bugs, parasites have always stuck close to humanity, and they continue to shape our lives to this day, ...

Jenna Demmer is a writer and editor that specializes in health. She has covered many topics including infectious diseases, women's health, mental health, sleep, and more. She has written for more than ...

Intestinal worms often lead to gastrointestinal symptoms, like diarrhea, because they live in your digestive tract. Other symptoms, such as a skin rash or problems breathing, also can occur, depending ...