Parasitic worms are organisms that live inside or on a host, taking nutrients from them to survive. These worms can be found in various environments, including soil, water, and inside animals or humans. Common types of parasitic worms include tapeworms, roundworms, and flukes. They can cause health problems, as they often lead to malnutrition and other diseases. Infections from parasitic worms can occur through contaminated food, water, or soil. Symptoms may include stomach pain, diarrhea, and fatigue. Preventing these infections involves good hygiene practices, such as washing hands and cooking food thoroughly. Awareness of these worms is essential for maintaining health and well-being.