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Everyone goes through ups and downs. But being sad is very different than being depressed. Whereas sadness can lift when your situation changes, depression comes with a host of symptoms that may stick around for months or even years, long after the event that may have triggered it.
Depression symptoms can vary widely, and it’s sometimes hard for a depressed person to distinguish between everyday feelings and a clinical condition. People with depression may be more tired than usual, have decreased libido, an increased or decreased appetite, difficulty concentrating, and a loss in interest in activities that used to be pleasurable.
Omega-3 fatty acids found in cold water fish can help ease depression in some people, and getting enough B vitamins can help correct deficiencies that may contribute to depression. But not as much is known about the role of certain types of food, especially less nutritious foods, on mood and well-being.
A Spanish study including 8,964 people looked at the connection between eating junk food and the chances of developing depression. The people reported on how often they ate fast foods—including hamburgers, pizza, and sausages—and processed pastries including muffins, doughnuts, and croissants.
Over the course of six years, researchers noted how many people developed depression. Here’s what they found:
This information joins a growing body of evidence tying inflammation in the body to depression risk. Processed foods may also increase cardiovascular disease risk and markers of inflammation in the body. The authors suggested that inflammation might be partially responsible for the increase in depression risk seen in the study.“Public health nutrition policies should take into account the detrimental effects of these kinds of products not only on cardiovascular disease and its related risk factors but also on mental health,” commented lead study author, Almudena Sanchez-Villegas.
In addition to bypassing junk food, these healthy eating habits may help you sidestep depression:
(Public Health Nutr 2012;doi:10.1017/S1368980011001856)