An analysis of 41 multi-country studies has found that a diet high in junk food raises the risk of developing depression, reports The Guardian. The study, published in the journal Molecular Psychiatry, took place in Britain, Spain, and Australia.
Researchers examined 41 studies attempting to uncover a link between diet and depression. The analysis revealed that processed foods high in fat and sugar lead to inflammation in the body, which in turn can directly effect the brain. Lead author of the study Dr. Camille Lassale, who works in the department of epidemiology and public health at University College London, commented on the link between inflammation and depression.
“A pro-inflammatory diet can induce systemic inflammation, and this can directly increase the risk for depression…[A] bad diet heightens the risk of depression to a significant extent.”
Lassale explained further that “Chronic inflammation can affect mental health by transporting pro-inflammatory molecules into the brain, it can also affect the molecules – neurotransmitters – responsible for mood regulation.”
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