A Griffith University study published in BMJ Public Health on Wednesday found a levy applied to non-alcoholic drinks with added sugar, such as soft drinks and most juices, could prevent 3.7 million cases of tooth decay, 191,000 cases of gum disease, and 115,000 cases of complete tooth loss across Australia over the next 25 years.
The theory goes, If packaged junk food was more expensive then people would eat healthier packaged food. A tax on sugary drinks and a cap on bottled water prices is along those same lines.