Junk food shouldn't be so cheap so lifting any subsidies would help there. There should be a limit to what a person can order from fast food restaurants, an actual limit to "all you can eat". I don't know about new taxes, but kids should be taught how to cook from scratch in school, it should get the funding sex ed gets. Cooking is a very important life skill and if people know how to cook properly, they should be healthier.
Xbox One, PS4 and Switch (+ Many Retro Consoles)
'When the people are being beaten with a stick, they are not much happier if it is called the people's stick'- Mikhail Bakunin
Prediction: Switch will sell better than Wii U Lifetime Sales by Jan 1st 2018