A 2016 meta-analysis found that fruit and vegetable intake was highly associated with improved mental health.
Berries, in particular, are rich in antioxidants, also known as flavonoids, which may reduce depression symptoms.Studies have also suggested that
an increased intake of vitamin B12, also present in fruits and vegetables, may boost a neurotransmitter in the brain called serotonin, which plays a role in regulating mood, the researchers said.