Unhealthy ‘Healthy’ Food

The breakfast in the sun is described as two slices of buttered bread (no idea what 'hexb' means), some 'free' ham (presumably not gifted by her butcher) and a precise 25g of cheese. Can anyone enlighten me on 'hexa' cos I'm pretty sure it is not a variety of cheese?

Food Philosophies – The best diet for a sustainable planet

With all the foodisms and food trends we are bombarded with, which one is actually good for our health, as well as being the environment?