Why do the things we love to eat have to be so bad for us? UnReal is on a mission to transform candy, reinventing America's iconic treats with a healthy twist – and up to 40% less sugar per serving. But with consumers moving away from restrictive eating habits, do people want clean confectionery?

From playlists we hope no-one ever finds to the foods we only eat alone, everyone has at least one guilty pleasure. But does keeping quiet about one’s secret loves heighten the feel-good factor, or simply contribute to cultural snobbery? And how might brands rethink the use of guilt as an emotion?

Whether it’s Secret Cinema taking people Back to the Future, or the revival of classic shows like Twin Peaks, the promise of a nostalgic experience is a big consumer draw. Andrew Abeyta, who studies the psychology of nostalgia, explains to Canvas8 how reflecting on the past can affect us today.

More than 27 million Instagram posts sport the hashtag #cleaneating, and Ella Mills – also known as Deliciously Ella – has been championed as a figurehead for the movement. Yet she's now voicing concerns over the diet and its potential implications for people's health.