Aurelio Rojas, cardiologist, debunks the biggest avocado myth: “Its calories act as a protective shield”
Cardiologist Aurelio Rojas debunks the biggest avocado myth: its calories protect the body, and half a medium avocado a day is a reasonable amount.
Marcel Quirós ReyesMédico
· Actualizado: · 3 min read

Do you eat avocado worrying it will make you put on weight every time you open the fridge? (Yes, we too have been guilty of blaming the wrong fat.)
For far too long we have demonised the wrong food while ignoring an age-old secret that sits within reach in any supermarket.
The historic mistake with green gold
The history of this fruit is fascinating and completely changes the way we look at nutrition today. It was not always available within our borders.
It arrived in Spain in the 16th century, brought from Mesoamerica by Spanish explorers. Back then they called it the “pear of the Indies”.
Five centuries later, it is hard to imagine a single week without eating it. Even so, we still carry false myths about its calories that quietly wreck our daily diet.
The renowned cardiologist Aurelio Rojas has spoken out on his social media to debunk the biggest nutrition myth of recent times.
Expert warning: The calories in avocado do not make you gain weight in the same way as ultra-processed foods; they act as a definitive protective shield for the body.
A real cascade of hidden benefits
Dr Rojas makes it crystal clear in his recent posts. This is not an empty miracle food but a real powerhouse for heart health.
It helps to lower bad cholesterol dramatically, especially if you replace harmful saturated fats such as butter with this green treasure.
The direct result of this simple swap? The risk of a heart attack drops noticeably. Our arteries breathe a sigh of relief from the very first bite.
But it does not end there. Its positive impact also reaches blood pressure and full control of blood sugar levels.
Why does it work so well in our bodies?
The science behind this nutritional success lies in three key elements that work in perfect sync inside the body.
First comes the prized oleic acid. It is exactly the same monounsaturated fat found in our beloved extra virgin olive oil.
Second is fibre. It feeds our gut microbiota, improves satiety and keeps atherogenic cholesterol impeccably in check.
Finally, potassium enters the scene. This mineral is absolutely essential for regulating blood pressure and powering our muscles.
Secret tip: If you want to protect your eyesight against the wear and tear of the years, avocado provides key antioxidant carotenoids such as lutein and zeaxanthin.
The exact amount the cardiologist recommends
Here comes the million-dollar question we all ask ourselves. How much should we eat to notice real changes without crossing the red line on calories?
Dr Aurelio Rojas puts it with surgical precision: half a medium avocado a day is a more than reasonable amount for the vast majority of people.
Of course, it all depends on your individual energy needs and the overall context of your daily eating pattern.
The real key is not to look for impossible miracles but to know how to replace the disastrous products that drag our health down without us realising.
A smart decision for your future
Adding this daily habit will completely transform your vital energy and the health of your arteries in the medium term.
Staying stuck in old fears about the scales is no longer a viable option for looking after our bodies as they deserve.
Will you dare to change your toast tomorrow morning by making this small but big change?
Written by
Marcel Quirós Reyes
Médico. En un ámbito tan sensible como la salud y la nutrición, el rigor no es negociable. Marcel Quirós Reyes respalda cada artículo con su doble vertiente clínica y…
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