To maintain a healthy body and reduce the risk of diseases, health experts worldwide primarily recommend improving one's diet. Everything we consume has a direct impact on our health.

Health experts note that in recent years, items like pizza, burgers, French fries, chips, and soft drinks have increasingly become a part of people's diets. Whether children or young adults, many consume these frequently, driven by their taste. However, numerous studies have warned that excessive consumption of junk food can pose significant risks to overall health. Beyond contributing to weight gain and abdominal fat, a diet high in junk food is linked to conditions like diabetes and high blood pressure, and it can also negatively affect brain health.

If you frequently consume junk food, take heed—let’s explore how it can be detrimental to your brain health.

Health experts explain that a high intake of processed foods—as well as items rich in sugar and salt—can adversely affect metabolic and cardiovascular health. Junk foods, in particular, significantly exacerbate these issues.

How does junk food affect the brain?

Junk food and ultra-processed foods are not only high in calories but often contain excessive amounts of salt, sugar, refined carbohydrates, and saturated fats, while being virtually devoid of fiber and essential nutrients. Long-term consumption of such a diet increases the risk of obesity, insulin resistance, high blood pressure, and systemic inflammation—all of which can negatively impact brain health.

Impact on memory and cognitive function

A study published in the journal *Neurology* in 2024 found that a high intake of ultra-processed foods is associated with an increased risk of cognitive impairment and stroke in adults. Junk food can harm the brain in various ways. Consuming junk food or an unbalanced diet—characterized by low nutritional value—can negatively affect energy levels and make it difficult to focus.

A diet high in sugar and calories can lead to obesity and insulin resistance, both of which may impair brain health over the long term.
Some studies have linked a poor diet to depression.
An unbalanced diet can also affect the health of the heart and blood vessels, which in turn can impact the blood flow to the brain.

What should you eat to keep your brain healthy?

Improving your diet is essential for maintaining a healthy brain. Incorporate green vegetables, seasonal fruits, lentils, whole grains, almonds, walnuts, and seeds into your meals. Avoid consuming junk food on a daily basis. Soft drinks can also be harmful to your health, so limit their intake as much as possible.

For optimal brain health, it is important to combine a balanced diet with regular physical activity, adequate sleep, and stress management.
Avoid smoking, and keep your blood pressure, blood sugar, and cholesterol levels under control.

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