Please be sure to eat all the food that is recommended on the Nutrisystem meal plan. You could be at risk of health issues if you do not maintain a healthy diet. 1  If you're pregnant, you may not join the Nutrisystem program.  If you're a nursing mother, you may not join the Nutrisystem program.
Quick Answer. According to The Free Dictionary, etiology, also spelled aetiology, is the study of exploration of the cause or factors contributing to something. In pathology, it specifically denotes the investigation into the cause or origins of a disease.
This is a classic case of spelling difference between American English and British English. Etiology or aetiology is most commonly used as a medical term for the cause of a certain disease. It is also the name of the field of medicine focused on finding the cause of conditions or diseases.Outside the United States we find aetiology, aetiologies, aetiologic, aetiological, and aetiologically.Examples.his is a classic case of spelling difference between American English and British English. Etiology or aetiology is most commonly used as a medical term for the cause of a certain disease. It is also the name of the field of medicine focused on finding the cause of conditions or diseases.