Healthy food policy: is taxation an option?

Obesity is rising rapidly in adult and child populations in virtually every part of the world. This brings with it a high risk of diabetes, heart disease and other serious conditions requiring expensive long-term medical care. In this article, Tim Lobstein and Philip James look at the role of governments in influencing what we eat. The authors propose ways in which governments can help to ensure that healthy diets are chosen over unhealthy ones.