The more of the foods they consumed, the higher their IQs.
A diet low in sugars, fats and processed foods consumed at a young age may increase your intelligence, research finds.
Children under 3-years-old fed diets that are packed full of nutrients and vitamins have higher IQs.
The more healthily they eat, the higher their IQ.
The study followed the wellbeing and health of 14,000 children born between 1991 and 1992 in the UK.