Final answer:
Advocates for the extra tax on junk food believe that the tax will discourage consumption of unhealthy food and promote healthier choices. Studies have shown that increasing the cost of junk food leads to a decrease in consumption, reducing the rate of obesity and associated health problems. The tax is also expected to result in cost savings for individuals.
Step-by-step explanation:
Advocates for the extra tax on junk food believe that the tax will discourage consumption of unhealthy food and promote healthier choices. They argue that increasing the cost of junk food will lead to a decrease in its consumption, as studies have shown. By reducing the consumption of high-calorie junk food, the tax is expected to reduce the rate of obesity and the associated health problems. Additionally, advocates believe that the tax will also result in cost savings for individuals by reducing the need for doctor visits related to obesity-related health issues.