Aurelio Rojas, cardiologist, warns of the danger of giving sugar to children: “It wrecks the heart forever”
Cardiologist Aurelio Rojas issues a serious warning about sugar in children's diets: this is what damages the heart for life, and the rule he proposes.
Marcel Quirós ReyesMédico
· Actualizado: · 4 min read

If you think a simple packaged pastry at your children’s breakfast is harmless, you are very wrong. We are mortgaging their cardiovascular health without realising it.
And the worst part is not the little morning tantrum in the kitchen. The serious thing is that we are ignoring a silent time bomb that starts ticking in early childhood.
The real case that alarmed the doctor’s practice
The well-known specialist Aurelio Rojas has opened a can of worms on his social media. A model patient who looked after himself down to the last detail suffered a sudden, unexpected heart attack.
The hidden reason behind this dramatic event? His morning routine during his school years consisted of wolfing down a sugary pastry and a carton of juice every single morning.
The expert points directly to refined sugar as the silent enemy that destroys vital organs much earlier than any parent imagines today.
The key warning: Those extra kilos that seem adorable when we are small are wrecking the metabolism and the heart forever, relentlessly.
The brutal truth behind children’s breakfasts
We are not talking about a simple nutritional whim with no serious long-term consequences. A child’s body processes this sweet poison by building up dangerous internal fat.
The pancreas collapses after years of constant punishment, forced to produce industrial quantities of insulin. The dreaded type 2 diabetes stops being a disease that only affects adults.
On top of that, triglycerides shoot through the roof and blood pressure starts to climb dangerously. Non-alcoholic fatty liver disease shows up at truly early ages.
Excessive consumption provides a huge amount of empty calories and no real feeling of fullness. This causes sharp spikes and crashes in energy, sudden mood swings and a greater, constant feeling of hunger.
And our wallets will thank us in the future, because we avoid astronomical medical bills and endless drug treatments. Real prevention starts in the supermarket trolley.
The golden rule of the three A’s to save lives
Here comes the critical mistake millions of parents make when doing the weekly shop. Not all the children’s products filling the shelves meet minimum health standards.
The prestigious cardiologist proposes a foolproof method based on three fundamental pillars to protect cardiovascular health from the cradle. The first absolute key is water (agua, in Spanish).
Fruit is never drunk in blended smoothies or sugary juices full of free fructose. Plain water should be the only main drink in the daily life of the youngest members of the household.
The second golden rule calls for eating only real food (alimentos de verdad) and banishing packaged industrial pastries completely. That sliced bread that stays soft for weeks is a trap.
And the third rule declares all-out war on added sugar (azúcar añadido). The less of it is consumed during the first two years of life, the better for ensuring optimal brain and heart development.
The expert also warns that we should never use this sweetener as an emotional reward. Its high level of addiction in the brain turns positive reinforcement into a genuinely toxic trap.
The official limits nobody respects at home
The World Health Organization sets very clear guidelines on this everyday dietary danger. Free sugars should never exceed ten per cent of total daily calories.
Ideally, according to international nutrition experts, that figure would be cut to a strict five per cent. That means a maximum of twenty-five grams a day for an average adult.
Yet a single glass of soft drink blows that health recommendation apart in a matter of seconds. The immune system weakens noticeably and the skin ages prematurely.
As if that were not enough, tooth decay and serious gum problems complete a bleak clinical picture. Children’s oral health is completely compromised by this excessive consumption.
The definitive method for clearing out the family pantry
Banning everything at once is useless if we do not train the palate gradually and patiently. The trick is to reduce, little by little, the amount added to coffee, yoghurt or herbal teas.
Checking the hidden labels on ready-made sauces, breads and cereals is an unavoidable duty. We can use natural stevia, erythritol, ripe banana, dates or apple compote as sweet alternatives.
Cinnamon, vanilla and citrus zest also add incredible flavour without resorting to dangerous sugar. Healthy home baking is perfectly feasible.
There are few logical excuses left for filling school lunchboxes with harmful, sugary products. The health of future generations depends on a firm family decision made today.
You have taken exactly the right step by reading this to the end to protect your loved ones from this invisible danger. Now it is your turn to open the pantry and sweep out all that sugary poison.
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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