Olive Oil May Protect from Depression

It is common knowledge that olive oil and the Mediterranean diet confer a multitude of health benefits. But what about emotional health benefits? According to Spanish researchers from the University of Navarra and Las Palmas de Gran Canaria, a diet rich in olive oil can protect from mental illness. The study included 12,059 volunteers who were part of the SUN Project, a prospective study among Spanish university alumni, aimed to identify the dietary determinants of stroke, coronary disease and other disorders. The researchers followed these volunteers for over 6 years and gathered data on lifestyle factors such as diet as well as medical history. At the beginning of the study none of the volunteers
suffered from depression, and by the end of the study, 657 new cases were
detected.

Olive Oil May Protect from Depression | Olive Oil TimesThe data that was gathered, revealed that volunteers that had a high intake of trans fats, a hydrogenated fat found mainly in processed foods, had up to 48 percent increased risk of depression compared to volunteers who did not consume these fats according to Almudena Sánchez-Villegas, Associate Professor of Preventive Medicine at the University of Las Palmas de Gran Canaria and first author of the article. In addition, the researchers discovered that a higher intake of olive oil and polyunsaturated fats found in fatty fish and vegetable oils was associated with a lower risk of depression. According to the researchers these findings suggest that cardiovascular disease and depression may share some common mechanisms related to diet.

This is not the first time that olive oil and the Mediterranean diet are associated with lower rates of depression. In 2009, Spanish researchers once again discovered that individuals who followed a Mediterranean style diet rich in olive oil, vegetables, beans and fruit were 30 percent less likely to suffer from depression.

While the researchers point out certain limitations of the study, such as analyzing the diet only once (at the beginning of the study) they point out to several strengths such as a large sample size as well as multiple adjustments for potential confounders. They add that the findings need to be confirmed by further prospective studies and by trials.

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Sanchez-Villegas A, Verberne L, De Irala J, Ruı´z-Canela M, Toledo E, et al. (2011) Dietary Fat Intake and the Risk of Depression: The SUN Project PLoS ONE 6(1): e16268. doi:10.1371/journal.pone.0016268

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This article was last updated October 15, 2014 - 8:18 AM (GMT-5)

  • Tory_Ragsdale

    I  had  depression  a  long  time  in  my   life   its   true what  they  say  about   olive  oil  I   take  1/3 cup  in  the  morning
    and  then   I  drink  a  full  glass  of  water   to  get   rid  of  the  taste
    ( I  got  the   3/4  a cup  dosage   from  a  study  done  about  how  much  is  needed   to  effectively   reduce  cholesterol)
    Results:
    1) No  depression
    2) I   don’t   get  dry   skin  the   way I used  to
    3) I  feel    full  for   so  long  that   I  will  often  eat only one  meal  a  day  and  be  fine
    4)  drinking  this  about   gives  me  better  cognitive  function.

    I  don’t  like   drinking  it  but every  thing   else  I  find  from   this  is    so   wonderful   that I  do  it.

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