精选优质文档-倾情为你奉上In todays world, more and more kinds of junk food are introduced to our society, and more and more pedddleries are appeared which use hogwash oil to cook. It is these situations make the food nowadays less healthy than the past.First, as for the type of the food today, junk food is one of the main sources of harm to peoples health. For example, if people walk on the street, they can easily find some junk food store, such as Macdonalds and KFC. These fast food restaurant
