FYI/FYE
October 13, 2009
Vital Signs
Nutrition: Lower Depression Risk Linked to Mediterranean Diet
By RONI CARYN RABIN
Eating a Mediterranean-style diet . packed with fruits, vegetables, legumes, nuts, olive
oil and fish . is good for your heart, many studies have found. Now scientists are
suggesting the diet may be good for your mental health, too.
A study of over 10,000 Spaniards followed for almost four and half years on average found
that those who reported eating a healthy Mediterranean diet at the beginning of the study
were about half as likely to develop depression than those who said they did not stick to
the diet.
All of the participants were free of depression when they were recruited to the study, and
each filled out a 136-item food frequency questionnaire when they joined. Based on their
self-reported dietary habits, they were assigned a score between 0 and 9, with the highest
score reflecting the closest adherence to a Mediterranean diet.
Over time, those who had scored between 5 and 9 on the Mediterranean diet were 42 percent
to 51 percent less likely to develop depression, the study found, than those who scored
between 0 and 2.
The study, which was funded by the Spanish government.s official medical research agency,
Instituto de Salud Carlos III, does not prove a cause-and-effect relationship between the
Mediterranean diet and a lower risk for depression, only an association between the two.
Still, many scientists are convinced that some damaging inflammatory and metabolic
processes involved in cardiovascular disease may also play a role in mental health.
.Both cardiovascular disease and depression share common mechanisms related to endothelium
function and inflammation,. said Dr. Miguel Angel Martinez-Gonzalez, professor of
preventive medicine at University of Navarra in Pamplona, Spain, and senior author of the
paper, published in the October issue of Archives of General Psychiatry.
.The membranes of our neurons are composed of fat, so the quality of fat that you are
eating definitely has an influence on the quality of the neuron membranes, and the body.s
synthesis of neurotransmitters is dependent on the vitamins you.re eating,. Dr.
Martinez-Gonzalez added. .We think those with lowest adherence to the Mediterranean
dietary plan have a deficiency of essential nutrients..
The elements of the diet most closely linked to a lower risk of depression were fruits and
nuts, legumes and a high ratio of monounsaturated to saturated fats, the study found.
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* Dr. James Ellingson, jellings(a)me.umn.edu *
* University of Minnesota, mobile : 651/645-0753 *
* Great Lakes Brewing News, 1569 Laurel Ave., St. Paul, MN 55104 *