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Mediterranean Diet

Biology

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Mediterranean Diet
In which countries
GreeceItalyMoroccoAlgeriaTürkiyeTunisia and other countries
Required for daily consumption
Whole grainsVegetablesFruitsLegumesOlive oilWater
Required for weekly consumption
Fish and seafoodPoultryEggsDairy and dairy products
Recommended for limited consumption
Red meat and processed meat productsSweets
Diseases it protects against
Cardiovascular diseasesHypertensionDiabetesObesityAlzheimerDementia and other diseases

The Mediterranean diet is a traditional eating pattern adopted by countries bordering the Mediterranean Sea nutrition. It is rich in vegetables, fruit, complete whole grains, legumes, olive oil and fish, while featuring low consumption of red meat and saturated fats. Due to its positive health effects, it has attracted widespread attention world and was recognized by UNESCO in 2010 as an Intangible Cultural Heritage of Humanity Concrete.【1】

(Example staple foods of the Mediterranean diet; image generated by artificial intelligence)

History and Definition

The Mediterranean diet was scientifically defined in the 1950s through the Seven Countries Study conducted by Ancel Keys and his team. The study found that cardiovascular diseases were less prevalent in Mediterranean countries compared to other nations, and this difference was linked to dietary habits.【2】

Core Components of the Mediterranean Diet

The Mediterranean diet pyramid is structured according to the frequency of food consumption:

Daily Consumption: Whole grains, water, vegetables, fruits, legumes, olive oil, herbs and spices.

Weekly Consumption: Fish and seafood, poultry, eggs, dairy and dairy products.

Recommended in Limited Amounts: Red meat and processed meat products, sweets.【3】

Health Effects

Cardiovascular Health

Multiple studies have demonstrated that individuals with high adherence to the Mediterranean diet have a reduced risk of cardiovascular disease, hypertension and stroke. Meta-analyses show that this diet reduces overall mortality by 23% and cardiovascular death risk by 27%.【4】

Metabolic Diseases

The beneficial effects of the Mediterranean diet in preventing Diabetes, obesity and metabolic syndrome such as disorders are well documented. Inclusion of olive oil and nuts in the diet improves insulin sensitivity and blood blood sugar control.【5】

Cognitive Function

Adherence to the Mediterranean diet supports the preservation of cognitive function. Evidence suggests it slows the progression of diseases such as Alzheimer’s and dementia. In particular, polyphenols, omega-3 fatty acids and antioxidants have been shown to support brain brain health.【6】

The Mediterranean Diet and Sustainability

The Mediterranean diet offers advantages not only for human health but also for environmental sustainability. Its emphasis on plant-based foods reduces the carbon foot carbon footprint, while traditional agricultural practices production help preserve biodiversity.

Bibliographies

Furbatto, Michela, Diana Lelli, Raffaele Antonelli Incalzi, and Claudio Pedone. “Mediterranean Diet in Older Adults: Cardiovascular Outcomes and Mortality from Observational and Interventional Studies—A Systematic Review and Meta-Analysis.” Nutrients 16, no. 3947 (2024): 1–13. https://doi.org/10.3390/nu16223947.

Montero Muñoz, Natalia, Pedro Juan Tárraga López, Ángel Arturo López-González, Hernán Paublini, Cristina Martorell Sánchez, Emilio Marínez-Almoyna Rifá, and José Ignacio Ramírez-Manent. “Association Between Mediterranean Diet and Other Healthy Habits and Sociodemographic Variables with the Values of Vascular and Heart Age in Spanish Workers.” Nutrients 17, no. 903 (2025): 1–20. https://doi.org/10.3390/nu17050903.

Özer, Emine Rumeysa, and Kemal Kaan Tekinşen. “Akdeniz Diyeti ve Sağlık.” Akademik Et ve Süt Kurumu Dergisi 2 (2021): 13–23. https://dergipark.org.tr/tr/download/article-file/1947956.

İçen, Hayrunisa, Simay Fereli, İzel Aycan Başoğlu, and Fatma Esra Güneş. “Akdeniz Diyetinin Kognitif Fonksiyonlar Üzerine Etkileri.” Türkiye Klinikleri Journal of Health Sciences 4, no. 2 (2019): 198–204. https://doi.org/10.5336/healthsci.2018-60552.

Citations

  • [1]

    Özer, Emine Rumeysa and Kemal Kaan Tekinşen, “Mediterranean Diet and Health,” Academic Journal of Meat and Dairy Institution 2 (2021): 13–23.

  • [2]

    Özer, Emine Rümeysa and Kemal Kaan Tekinşen, Mediterranean Diet and Health, Academic Meat and Dairy Institution Journal, 2, 13-14


  • [3]

    Özer, Emine Rümeysa and Kemal Kaan Tekinşen, Mediterranean Diet and Health, Journal of the Academic Meat and Dairy Institution, 2, 14-19


  • [4]

    Michela Furbatto et al., “Mediterranean Diet in Older Adults: Cardiovascular Outcomes and Mortality from Observational and Interventional Studies—A Systematic Review and Meta-Analysis,” Nutrients 16, no. 3947 (2024): 6-12, https://doi.org/10.3390/nu16223947.

  • [5]

    Montero Muñoz, N., et al. Association Between Mediterranean Diet and Other Healthy Habits and Sociodemographic Variables with the Values of Vascular and Heart Age in Spanish Workers, Nutrients, 17(903), 5-6


  • [6]

    Hayrunisa İçen et al., “Effects of the Mediterranean Diet on Cognitive Functions,” Türkiye Klinikleri Journal of Health Sciences 4, no. 2 (2019): 202, https://doi.org/10.5336/healthsci.2018-60552.


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AuthorSemanur PolatDecember 20, 2025 at 7:14 AM

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Contents

  • History and Definition

  • Core Components of the Mediterranean Diet

  • Health Effects

    • Cardiovascular Health

    • Metabolic Diseases

    • Cognitive Function

  • The Mediterranean Diet and Sustainability

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