Eucestoda the "broad tapeworm" or "fish tapeworm") and related species. Humans become infected by eating raw, undercooked, or marinated fish acting as a second intermediate or paratenic host harboring metacestodes or plerocercoid larvae. Clinical symptoms are due to the large size of the tapeworm, which often reaches a length exceeding 15 m. The most common symptom is pernicious anemia, caused by the absorption of vitamin B12 by the worm. Other symptoms include various intestinal issues, slight leukocytosis, and eosinophilia. This condition is caused by the plerocercoid larvae of the tapeworm "Spirometra". Humans become infected by drinking contaminated water, eating raw or
Sociology of health and illness definition. Advancing information is vital because as patterns evolve, the study of the sociology of health and illness constantly needs to be updated. Humans have long sought advice from those with knowledge or skill in healing. Paleopathology and other historical records, allow an examination of how ancient societies dealt with illness and outbreak. Rulers in Ancient Egypt sponsored physicians that were specialists in specific diseases. Imhotep was the first medical doctor known by name. An Egyptian who lived around 2650 B.C., he was an adviser to King Zoser at a time when Egyptians were making progress in medicine. Among his