Higher Fruit Intake Linked to Lower Depression and Anxiety Risk in Teenagers Fruit consumption may be associated with better mental health outcomes during adolescence. A 2026 study from the University of Sydney found that teenagers who ate an additional serving of fruit each day had a lower risk of developing symptoms of depression and anxiety over time. The findings also linked higher consumption of sugar-sweetened beverages with an increased risk of both conditions. However, these associations do not establish that diet directly causes or prevents mental health symptoms. Study Overview and Methodology Researchers examined data from 6,537 adolescents attending 71 secondary schools across New South Wales, Queensland, and Western Australia. Participants were approximately 12.5 years old at the beginning of the study and were followed from Year 7 to Year 10. Over the four-year study period, participants completed annual surveys reporting their usual fruit and vegetable intake a...