Answer:
1. Authority: The writer is trying to test the Authority of the "medical establishment", and is about to say how the establishment is wrong.
2. Logic: Note the usage of data, as well as the events going on. This meant that using the experiment as well observation, they could logically come to the conclusion that fat consumption has nothing to do with weight.
3. Logic: It is logical to check the sources of these false information, and to use Logic to overturn the arguments on the wrong side.
4. Authority: The writer states the truth based on statistical data and experiment, and draws the authority from the information gathered, stating that what they said is the truth.
5. Emotion: This is a personal experience, which may include the author's emotions then as well as looking back. They include their own opinions as well as their reactions from the events occurring.
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