Spanish researchers investigated how ultra-processed food influences the development of depressive symptoms in adolescents. The impact of nutrition on human cognition, behavior and emotions is a new area of research known as nutritional neuroscience.
What Is Ultra-Processed Foods, And Why Is It Bad?
Ultra-processed products contain five or more ingredients. They often include numerous additives such as preservatives, emulsifiers, sweeteners, artificial colors, and flavorings. These products typically have a long shelf life.
Examples of such food include industrially produced sweets like ice cream, flavored yogurts, confectionery, and sugary carbonated drinks. It also encompasses processed meat products such as ham and sausages. Other categories include fast food, mass-produced bread, dry cereals, instant soups, and certain alcoholic beverages like whiskey, gin, and rum.
Previous reports indicate that consuming ultra-processed food may increase the risk of cancer. Additionally, food additives found in certain types of processed meat can elevate the risk of type 2 diabetes. Furthermore, another recent study has revealed the impact of ultra-processed food on the development of cardiovascular diseases.
Conducting the Study
Between February and April 2022, a group of researchers embarked on an investigation to explore the effects of ultra-processed food on the psychosocial functioning of 560 Spanish adolescents aged between 14 and 17 years.
To gather data, the teenagers were asked to complete detailed questionnaires encompassing various aspects. These included inquiries about their age, gender, level of physical activity, recent consumption of ultra-processed food, and their intake of fruits and vegetables. Additionally, the participants were required to complete a comprehensive checklist assessing their psychosocial symptoms.
On average, the adolescents reported consuming a striking 7.72 servings of ultra-processed food per day. It was noteworthy that over 50% of them acknowledged indulging in cold processed meats and cookies. Furthermore, it was observed that boys exhibited a higher frequency of unhealthy food consumption compared to girls.
Intriguingly, the study highlighted several concerning patterns. Firstly, the adolescents as a whole demonstrated a suboptimal consumption of fruits and vegetables while failing to meet the recommended levels of physical activity. However, it is worth noting that girls exhibited a relatively higher consumption of fresh produce, while boys engaged in more frequent physical exercise. Nevertheless, it is concerning that only a mere 10% of the participants managed to maintain daily physical activity.
Findings
The research team yielded significant results regarding the impact of ultra-processed food on the psychosocial well-being of the participants. Among the total number of participants, a noteworthy 26.2% exhibited psychosocial disorders. Within this group, 33.9% experienced emotional disorders primarily linked to depression or anxiety, while 9.5% faced attention difficulties, and 3.9% manifested behavioral problems.
Interestingly, it was the girls who reported a higher prevalence of depressive symptoms, anxiety, and overall challenges associated with internalizing behaviors. Conversely, the association between the consumption of harmful food and mental health issues demonstrated a stronger correlation among boys.
The study’s authors assert that these findings align with previous research conducted on Brazilian adolescents, further strengthening their validity and significance.
Moreover, it is essential to highlight a recent study that shed light on the alarming consequences of excessive sugar consumption. This includes the development of severe health conditions such as cardiovascular diseases, diabetes, obesity, hypertension, heart attacks, elevated cholesterol levels, cancer, and depression.




