Dialectic is a formal system of reasoning that arrives at the truth through the exchange of logical arguments. Dialectic is a process of examining an issue using very careful steps. A thesis, or argument, is offered, followed by the antithesis, or counterargument. The goal is to extract the best points from each of these to form a synthesis..
Other causes of unintentional weight loss include: 1  cancer. 2  hyperthyroidism (overactive thyroid gland). 3  hypothyroidism (underactive thyroid gland). 4  abdominal infection. 5  gastroenteritis. 6  malnutrition. 7  dementia. 8  Celiac disease. 9  HIV/AIDS.
However, short-term illnesses such as influenza or the common cold can also cause weight loss due to abdominal discomfort. Common causes of unintentional weight loss include depression, diarrhea, oral ulcers, and viral infections, such as the common cold, that can affect appetite.