Researchers from the Universities of Navarra and Las Palmas de Gran Canaria have shown that intake of saturated and trans fats increases the risk for depression and, secondly, Olive oil protects against mental illness. Their work is published in the journal PLoS ONE. "
Researchers have confirmed these results after studying for six years over 12,059 volunteers SUN Project, for which data were available from their diet, lifestyle and health conditions, analyzed at baseline, during its course and end. Thus, the authors confirmed that despite the fact that at baseline none of the volunteers suffered from depression, the end of it there were 657 new cases.
In all these cases of depression, participants with high intakes of trans fats (those found in artificially in industrial bakery products and food quickly and naturally in some dairy products) "showed up to 48% higher risk of depression when compared with participants who did not eat these fat," says Almudena Sánchez-Villegas, University of Las Palmas de Gran Canaria.
addition, the study showed a dose-response relationship, "in which the more trans fats are consumed, the greater the detrimental effect they produced in the volunteers," the authors write.
addition, the team led by Miguel Angel Martínez-González, University of Navarra, also analyzed the influence of polyunsaturated fats (Abundant in fish oils and vegetables) and olive oil on depression. "In fact, we found that these healthy fats, along with olive oil, are associated with a lower risk of depression," says Martínez-González. Results of the study
The study results support the hypothesis of an increased incidence of the disease in northern European countries compared to southern countries, where the prevailing patterns of Mediterranean diet. However, experts indicate that the incidence of the disease has increased in recent years and currently there are 150 million people affected worldwide.
The research was conducted in a population with a low consumption of trans fats, as supposed to only 0.4 percent of total energy consumed by the volunteers. "However, we observed an increased risk of depression by almost 50 percent," concludes Miguel Angel Martinez.
Finally, the analysis suggests that both depression and cardiovascular disease are similarly influenced by diet and could share similar mechanisms in their origin. This hypothesis is also suggested by numerous studies showing the harmful effects of saturated and trans fats on cardiovascular disease risk.
Researchers have confirmed these results after studying for six years over 12,059 volunteers SUN Project, for which data were available from their diet, lifestyle and health conditions, analyzed at baseline, during its course and end. Thus, the authors confirmed that despite the fact that at baseline none of the volunteers suffered from depression, the end of it there were 657 new cases.
In all these cases of depression, participants with high intakes of trans fats (those found in artificially in industrial bakery products and food quickly and naturally in some dairy products) "showed up to 48% higher risk of depression when compared with participants who did not eat these fat," says Almudena Sánchez-Villegas, University of Las Palmas de Gran Canaria.
addition, the study showed a dose-response relationship, "in which the more trans fats are consumed, the greater the detrimental effect they produced in the volunteers," the authors write.
addition, the team led by Miguel Angel Martínez-González, University of Navarra, also analyzed the influence of polyunsaturated fats (Abundant in fish oils and vegetables) and olive oil on depression. "In fact, we found that these healthy fats, along with olive oil, are associated with a lower risk of depression," says Martínez-González. Results of the study
The study results support the hypothesis of an increased incidence of the disease in northern European countries compared to southern countries, where the prevailing patterns of Mediterranean diet. However, experts indicate that the incidence of the disease has increased in recent years and currently there are 150 million people affected worldwide.
The research was conducted in a population with a low consumption of trans fats, as supposed to only 0.4 percent of total energy consumed by the volunteers. "However, we observed an increased risk of depression by almost 50 percent," concludes Miguel Angel Martinez.
Finally, the analysis suggests that both depression and cardiovascular disease are similarly influenced by diet and could share similar mechanisms in their origin. This hypothesis is also suggested by numerous studies showing the harmful effects of saturated and trans fats on cardiovascular disease risk.
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