
Researchers have found that following something called the Planetary Health Diet (PHD)—along with some habits from the famous Mediterranean Diet—can lower your risk of dying early. And the best part? You only need to focus on four tasty, everyday foods.
What Are Blue Zones?
“Blue Zones” are places like Sardinia (Italy) and Okinawa (Japan) where people often live well into their 90s or even 100s. Scientists have studied these places for years, hoping to find the secret to long life.

Now, researchers say you don’t need to move to one of those places—you can simply change how you eat.
What is the Planetary Health Diet?
The Planetary Health Diet (PHD) is a healthy way of eating that’s good for both your body and the planet. It recommends:
- Lots of fruits, vegetables, whole grains, legumes (like lentils), nuts, and healthy oils (like olive oil).
- Some dairy, starchy vegetables (like potatoes), poultry, and fish.
- Very little red meat, processed food, saturated fats, and added sugars.
A recent study, published by the European Society of Cardiology, shows that this diet helps people live longer and also supports the environment.
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What About the Mediterranean Diet?
The Mediterranean Diet is also known for helping people live longer. It includes:
- Fresh fruits and vegetables
- Nuts and legumes
- Olive oil
- Lean protein like fish and chicken
- Very little red meat
People who followed this diet had a 21% lower risk of death during the study.
The “Fabulous Four” Foods for a Longer Life
The study found that four key foods made a big difference in living longer:
- Fruits
- Dairy products (like yogurt)
- Nuts
- Healthy oils (like olive oil)
At the same time, eating less sugar, sugary drinks, and pastries also helped reduce early death risks.
What the Study Found
The study followed over 11,000 people for 14 years. The average participant was about 47 years old. By the end of the study, over 1,100 people had passed away.
But those who stuck to the Planetary Health Diet had a 22% lower risk of death, while those who followed the Mediterranean Diet had a 21% lower risk.
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Final Thoughts
So, the next time you go grocery shopping, think like someone who wants to live to 100. Pick up some nuts, yogurt, fruit, and olive oil. These simple foods might just help you live a longer, healthier life!