Bangladesh, Oct. 16 -- AAs children, we learned a simple mathematical rule: if we know the price of one kilogram of rice, we can calculate the cost of two kilograms. What seemed like a basic classroom exercise was, in fact, a lesson in using known information to make informed decisions.

Years later, I find myself thinking about that same principle in a very different context: our food system. Imagine knowing, at a glance, how much sugar, salt or unhealthy fat a packaged food contains. Wouldn't that make it easier to understand what we are buying and make a more informed choice? This simple idea lies at the heart of Front of Pack Labelling (FOPL), a system that places clear, easy to understand nutrition information or warning labels on t...