Intestinal worms are parasitic organisms that live in the digestive tract of humans and animals. Common types include roundworms, tapeworms, and hookworms. These worms can enter the body through contaminated food, water, or soil, leading to various health issues such as abdominal pain, diarrhea, and malnutrition. Infections with intestinal worms are more prevalent in areas with poor sanitation and hygiene. Treatment typically involves medications that kill the worms, and preventive measures include proper handwashing, cooking food thoroughly, and avoiding contaminated sources. Regular health check-ups can help detect and manage these infections effectively.