London, Aug. 10 -- A daily glass of 100% fruit juice or a smoothie may help improve more than just fruit intake. In a small four-week trial, participants who added one to a healthier diet showed significantly lower depression scores, hinting that a simple dietary change could also support mental well-being.

Drinking a daily glass of 100% fruit juice or a smoothie as part of the UK's 5-a-day guidance may help support mental well-being, according to research from Newcastle University in the UK.

In a randomised controlled trial, adults who typically ate relatively little fruit and vegetables received support to increase their intake. Some participants were also asked to include one glass of fruit juice or a smoothie each day as they worked...