How many portions of fruit and vegetables do you really need to eat in a day?

A study revealed that eating 800g fruits a day reduces risk of cancer

Only a quarter of UK adults manage to eat the officially recommended five portions of fruit and vegetables a day. In fact, almost half eat less than three a day. It seems unlikely, then, that most people would be able to reach the ten a day suggested by several pieces of research published in the last few years.

Most recently, a paper in the International Journal of Epidemiology laid out evidence that upping your intake of fruit and veg to ten portions (800g) a day would further reduce your risk of cancer, cardiovascular disease and