The Guardian: Excessive Dietary Fat Accelerates Immune System Aging

Frequent snacking combined with an excess of refined foods and fats in the diet accelerates the aging of the immune system and slows down cellular repair processes. Scientists Eric Verdin (Buck Institute for Research on Aging, USA), Jaime Uribarri, and Niharika Duggal (University of Birmingham) discussed these findings with The Guardian.

One of the key habits linked to accelerated aging, according to the specialists, is constant snacking throughout the day. Frequent food consumption maintains high blood glucose levels and stimulates the production of insulin—a hormone that activates cell growth. According to Verdin, the body requires periods without food to trigger repair processes.

An excess of refined carbohydrates and foods cooked at high temperatures also has a negative impact. As Uribarri notes, such processing leads to the formation of compounds (such as acrylamide) that increase inflammation. This can affect the condition of the skin, blood vessels, and internal organs.

Among other mistakes, experts point to an imbalance of fats in the diet. An overabundance of saturated fats coupled with a lack of fiber can disrupt intestinal function and accelerate the aging of the immune system.

According to the scientists, saturated and unsaturated fats differ in their chemical structure and sources. Dairy products, lard, fast food, butter, and confectionery are rich in the former. An excess of saturated fats can raise "bad" cholesterol (LDL) levels, increasing the risk of atherosclerosis, cardiovascular disease, obesity, and type 2 diabetes.

Additional risk factors include deficiencies in B vitamins, a lack of healthy fats (specifically Omega-3), and a predominance of so-called "acid-forming" foods, such as meat, fish, and canned goods.

To slow down age-related changes, specialists believe it is crucial to adjust the diet: increase the intake of vegetables, whole-grain products, and sources of Omega-3 fatty acids, while avoiding constant snacking and excessive processed foods.

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