Australians tend to eat too much junk food and not enough fruit and vegetables. But how might these trends change in the ...

just the calories that are the problem with a 'junk' food diet, but the fact that too many highly processed foods high in fat and sugar and low in fibre crowd out the more nutritious foods.

Eating junk food could harm the memory and may ... brain chemical crucial for learning, say scientists. People whose diets are high in fat and sugar could unwittingly be harming their minds.