General guidance for adults. Research findings and practical examples are distinguished below.
Why It Matters
Nutrition supports the ability to stay active as well as long-term cardiometabolic health. The pattern across meals matters more than treating any single food as a longevity ingredient.
What the Evidence Shows
In the revised PREDIMED report, 7,447 Spanish adults aged 55–80 at high cardiovascular risk were followed for a median 4.8 years. Major cardiovascular events occurred in 3.8% of the Mediterranean diet plus olive oil group, 3.4% of the nuts group and 4.4% of controls. These are observed event proportions, not adjusted absolute treatment effects. The 2018 reanalysis addressed departures from random allocation. [1]
What You Can Do
- At your next main meal, include a vegetable dish, a protein source such as fish, eggs, tofu or beans, and a grain or other staple. This is a practical meal-building example, not a fixed clinical ratio.
- For adults, use the WHO benchmark of at least 400 g/day of fruit and vegetables. Spread them across meals; potatoes and other starchy roots are not included in this benchmark. [2]
- This week, replace one usual refined-grain serving with a whole-grain option, or one sugary drink with water or unsweetened tea. Choose the change that fits your budget and food culture, then review whether you could repeat it. [2]
What to Consider
PREDIMED tested a supported dietary pattern in higher-risk adults, not one oil or nut as an isolated treatment, and not a guarantee of longer life. Avoid foods you are allergic to. Frailty, unintentional weight loss, swallowing difficulties or prescribed diets call for individualized planning rather than simply eating less.
Primary Sources
- Estruch R et al. NEJM (2018). Primary Prevention of Cardiovascular Disease with a Mediterranean Diet Supplemented with Extra-Virgin Olive Oil or Nuts. DOI: 10.1056/NEJMoa1800389.
Revised intervention report
Review scope / funding and COI
Abstract checked: population, follow-up, events and allocation deviations. Funding includes Instituto de Salud Carlos III; individual disclosure forms not reviewed.
- WHO (2026). Healthy diet.
Public guidance
Review scope / funding and COI
Food-pattern and intake guidance; not a product trial.