It’s not only the Mediterranean diet, but the whole “Mediterranean lifestyle” that can make a difference in your mental health, a new study from Spain found. People in the study who ate a diet rich in fruit and veggies, and who also exercised and socialized a lot were less likely to develop depression than those who didn’t follow this type of lifestyle, according to the findings reported in Live Science.
In the study, the researchers asked 11,800 people in Spain what they normally ate, how much they exercised and how much time they spent socializing with friends, to measure how closely these individuals adhered to the Mediterranean lifestyle. Scientists then tracked how many of the participants were diagnosed with depression during the next 8.5 years, on average. The researchers found that, by the end of the study period, 806 people in the study were diagnosed with depression.
The researchers said they don’t know for sure why eating a healthy diet, exercising and socializing may be linked to a lower risk of depression, but several mechanisms may be involved in this link. For example, certain components of the Mediterranean diet — such as olive oil, nuts, legumes, fruit and fish — have beneficial nutrients that have anti-inflammatory properties, Sánchez-Villegas said. These properties may be useful in preventing inflammation, which has previously been linked to a higher risk of depression and anxiety, she said.
Exercise may also help protect people against inflammation and therefore reduce the risk of depression, Sánchez-Villegas said. Moreover, exercise has been known to stimulate the secretion of feel-good chemicals called endorphins that enhance mood, which may also help prevent depression, she said.
In addition, the new findings are in line with previous research that has linked greater social interaction with better psychological well-being, the researchers said in their study, published Aug. 9 in the journal Clinical Psychological Science.