Taxes on sugary foods won't work alone, and that's exactly the problem: What comes after them?
Jennifer Harris argues that advertising has created a dangerous food environment, one that is too strong for most parents to overcome.
Russell Saunders argues that obesity is a complex problem. While sin taxes might not work all alone, they can be a part of the solution.
Baylen Linnekin looks at how public policy contributes to obesity. Rather than new taxes to fight fat, we need to fix what we're doing wrong.
Christopher Snowdon throws cold water on the idea that taxing soda can keep the public thin.
Can public policy stop obesity? Or at least help? Four experts on public health and health policy offer a range of views.