Physical activity can reduce the harmful effects of fatty and sugary foods on the brain and mood. This is the conclusion reached by researchers from the University of Cork. Regular running has been shown to help counteract the depressive effects of a diet high in fat and sugar. The study was published in the journal Brain Medicine.
The experiment was performed on laboratory rats. Some animals received a standard diet, while others received a high-calorie, fast-food-like diet. Half of each group had access to running wheels. This combination allowed scientists to assess the effects of both diet and physical activity.
Observations showed that rats fed a high-fat and high-sugar diet developed symptoms of depression, with decreased activity and interest in their surroundings. However, regular running completely reversed these effects.
"Even in the face of an unhealthy diet, voluntary activity acts as an antidepressant, helping the brain to maintain emotional balance," said study leader Professor Yvonne Nolan.
Scientists have found that fast food dramatically changes the composition of intestinal metabolites, biologically active substances produced by microbiota. Animals fed this diet had decreased levels of anserine, indole-3-carboxylate, and deoxynosine, compounds associated with mood regulation. However, physical activity partially restored their concentrations.
The results of the study show that even with an unbalanced diet, physical activity remains a protective factor. However, as Professor Nolan emphasized, the maximum effect is achieved only when exercise and a healthy diet are combined.
Translation:Euromedia24.com-in:
