Final answer:
Chronic bleeding from the gastrointestinal tract can cause anemia, fatigue, and other symptoms. It can be caused by ulcers, inflammation, cancers, and excessive use of certain medication.
Step-by-step explanation:
Chronic bleeding from the gastrointestinal tract can be caused by various conditions such as ulcers, hemorrhoids, inflammation of the stomach, and certain cancers of the gastrointestinal tract. Excessive use of aspirin or other nonsteroidal anti-inflammatory drugs can trigger ulceration and gastritis. Excessive menstruation and blood loss during childbirth are also potential causes.
Chronic bleeding from the gastrointestinal tract can lead to symptoms such as anemia, fatigue, weakness, and pale skin. If left untreated, it can result in severe complications and may require medical intervention.