Do human have worns in their bodies a friend told me she saw worms in her stool.?

Yes, humans can have worms in their bodies, specifically parasitic worms like tapeworms, roundworms, and pinworms. These parasites can enter the body through contaminated food, water, or surfaces, leading to gastrointestinal symptoms. If your friend saw worms in her stool, it's important for her to consult a healthcare professional for diagnosis and treatment.