I liked one topic sentence towards the end of the essay, where you aptly set the focus of the paragraph. Consider this: “Another health risk of eating pork meat is due to its association with many epidemic diseases.” Here, you clearly tell the readers what you would discuss in the paragraph, that is, diseases caused due to eating pork. This supports your view/position against eating pork.
Now, let us consider the last sentence of the introduction as the thesis: “To determine that pork is healthy to eat one must examine the different between pork meat and other ...