Obesity – what will solve the problem? Diet keto, no smartphones, possibly a sugar tax?

We're witnessing a breakthrough. This breakthrough is alternatively bitter than sweet. For the first time in human history, less children are starving... than suffering from overweight or obesity. Interestingly, this problem is peculiarly affecting middle-income and mediocre people. How does the food manufacture make us addicted? What does obesity gotta do with smartphones? Can this problem be solved [...]