Ultra-processed Food and Incident Depressive Symptoms

In this British medical journal, they concluded that the more processed foods one eats, the higher the risk of developing symptoms of depression, and that diet may have a clinical effect in mental health. ~ Dr. Broussard

Prospective association between ultra-processed food consumption and incident depressive symptoms in the French NutriNet-Santé cohort
BMC Medicine — Adjibade M, et al. | April 16, 2019

Researchers, for the first time, examined the link between the proportion of ultra-processed food (%UPF) in the diet and incident depressive symptoms in the NutriNet-Santé cohort using multivariable Cox proportional hazards models. Participants were aged 18-86 years (women, n=20,380; men, n=6,350) and did not have depressive symptoms at the first Center for Epidemiologic Studies Depression Scale measurement, using validated cut-offs (score of ≥ 17 for men and ≥ 23 for women). A total of 2,221 incident cases of depressive symptoms were identified over a mean follow-up period of 5.4 years. Investigators observed an increased risk of depressive symptoms with an increased %UPF in the diet after accounting for a wide range of potential confounders. For high %UPF in beverages and sauces or added fats, a significantly increased risk was noted. Overall, UPF consumption was positively related to the risk of incident depressive symptoms. The investigators suggested that accounting for this non-nutritional aspect of the diet may have clinical importance in mental health promotion.

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