To begin with, taxing unhealthy junk food can highly decrease the consumption of it by citizens. According to the New England Journal of Medicine (Kelly D. Brownell, Ph.D., 2009), the author suggested that through taxing of sugary food, the decrease in consumption could be more than 10% which indicates that citizens may tend to buy less unhealthy junk food after taxation. The reason for this phenomenon is that the change in price of food will directly affect our preference of consumption. When the price of junk food becomes higher, people will tend to buy less. If people buy less junk food, there should be lower chance for them to over consume it. Therefore, junk food tax can lower the consumption of unhealthy beverages by citizens.
Some would argue that tax may not be able to change the long-term behaviors of some of the people, as they may treat the behaviors as habits. (Mark Bittman, 2011) However, as mentioned above, the price of a product will probably lower the incentive of consumption of people. At the same time, junk