Aw: Why toast comforts us

Research by Cardiff University’s school of biosciences say the whiff of warm crisp bread takes us back to our early days, as toast is often one of our first solid foods.

Professor Tim Jacobs said: ‘We can form these associations with smells at any age.

‘All that’s required is a consistent smell, combined with an event powerful enough to pin a given emotion to that particular set of chemicals.’