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Article

A Mediterranean Diet with Fresh, Lean Pork Improves Processing Speed and Mood: Cognitive Findings from the MedPork Randomised Controlled Trial

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Alliance for Research in Exercise, Nutrition and Activity, School of Health Sciences, University of South Australia, GPO Box 2471, 5001 Adelaide, Australia
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School of Medical and Health Sciences, Edith Cowan University, Perth, WA 6027, Australia
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Medical School, University of Western Australia, 35 Stirling Highway, Perth, WA 6000, Australia
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Flinders Centre for Epidemiology and Biostatistics, Flinders University, GPO Box 2100, 5042 Adelaide, Australia
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Cognitive Ageing and Impairment Neurosciences, University of South Australia, GPO Box 2471, 5005 Adelaide, Australia
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School of Pharmacy and Medical Sciences, University of South Australia, GPO Box 2471, 5005 Adelaide, Australia
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Author to whom correspondence should be addressed.
Nutrients 2019, 11(7), 1521; https://doi.org/10.3390/nu11071521
Received: 14 May 2019 / Revised: 20 June 2019 / Accepted: 25 June 2019 / Published: 4 July 2019
Abstract: Background: The Mediterranean diet may be capable of improving cognitive function. However, the red meat restrictions of the diet could impact long-term adherence in Western populations. The current study therefore examined the cognitive effects of a Mediterranean diet with additional red meat. Methods: A 24-week parallel crossover design compared a Mediterranean diet with 2–3 weekly servings of fresh, lean pork (MedPork) and a low-fat (LF) control diet. Thirty-five participants aged between 45 and 80 years and at risk of cardiovascular disease followed each intervention for 8 weeks, separated by an 8-week washout period. Cognitive function was assessed using the Cambridge Neuropsychological Test Automated Battery. Psychological well-being was measured through the SF-36 Health Survey and mood was measured using the Profile of Mood States (POMS). Results: During the MedPork intervention, participants consumed an average of 3 weekly servings of fresh pork. Compared to LF, the MedPork intervention led to higher processing speed performance (p = 0.01) and emotional role functioning (p = 0.03). No other significant differences were observed between diets. Conclusion: Our findings indicate that a Mediterranean diet inclusive of fresh, lean pork can be adhered to by an older non-Mediterranean population while leading to positive cognitive outcomes. View Full-Text
Keywords: MedDiet; protein; cognitive function; ageing; cardiovascular disease MedDiet; protein; cognitive function; ageing; cardiovascular disease
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MDPI and ACS Style

Wade, A.T.; Davis, C.R.; Dyer, K.A.; Hodgson, J.M.; Woodman, R.J.; Keage, H.A.D.; Murphy, K.J. A Mediterranean Diet with Fresh, Lean Pork Improves Processing Speed and Mood: Cognitive Findings from the MedPork Randomised Controlled Trial. Nutrients 2019, 11, 1521. https://doi.org/10.3390/nu11071521

AMA Style

Wade AT, Davis CR, Dyer KA, Hodgson JM, Woodman RJ, Keage HAD, Murphy KJ. A Mediterranean Diet with Fresh, Lean Pork Improves Processing Speed and Mood: Cognitive Findings from the MedPork Randomised Controlled Trial. Nutrients. 2019; 11(7):1521. https://doi.org/10.3390/nu11071521

Chicago/Turabian Style

Wade, Alexandra T., Courtney R. Davis, Kathryn A. Dyer, Jonathan M. Hodgson, Richard J. Woodman, Hannah A.D. Keage, and Karen J. Murphy. 2019. "A Mediterranean Diet with Fresh, Lean Pork Improves Processing Speed and Mood: Cognitive Findings from the MedPork Randomised Controlled Trial" Nutrients 11, no. 7: 1521. https://doi.org/10.3390/nu11071521

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