Is adherence to the EAT-Lancet diet a risk factor for disordered eating and nutritional deficiencies?

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This PhD will determine whether there is nutritional inadequacy and eating psychopathology amongst individuals who adhere to the EAT-LDP across the lifespan. Research questions: Is there an association between adherence to a plant-based diet and nutritional inadequacies (vitamin B12, iron, calcium) across the lifespan?Is there an association between a plant-based diet and the development of disordered eating psychopathology?Can sustainable diets be better optimised to support mental health and nutritional deficiency?Hypotheses:Using the National Diet and Nutritional Survey, we expect that the level of adherence to a plant-based diet will be associated with a lower intake of key nutrients including vitamin B12 and iron.Using the ALSPAC dataset we expect that adherence to a plant-based diet during adolescence will be associated with later restrictive eating patterns and the development of disordered eating. Using non-linear programming, we expect that individuals with autism, low socioeconomic status, adverse childhood events and food insecurity will be associated with nutritional deficiency and greater mental health difficulties when consuming a sustainable diet.