For the analysis, researchers reviewed and searched for studies using the PubMed and Cochrane databases all the way up to August 12, 2020. They identified eight studies, five of which were prospective and three were cross-sectional studies. From these studies, researchers found that there was not a significant association between total nut consumption and type 2 diabetes. The meta-analysis did show an inverse association between peanut butter intake and type 2 diabetes incidence.
In conclusion, the current results reveal no significant association of total nut consumption with type two diabetes. On the contrary, peanut butter consumption may be inversely associated with the disease. While there is plenty of research that suggests nut consumption does not increase weight and may help those with type 2 diabetes control it, this study does not give a clear-cut answer on the role nut consumption may play in preventing diabetes. Therefore, there should be more long-term clinical trials that review this association.
Becerra-Tomás N, Paz-Graniel I, Hernández-Alonso P, Jenkins DJA, Kendall CWC, Sievenpiper JL, Salas-Salvadó J. Nut consumption and type 2 diabetes risk: a systematic review and meta-analysis of observational studies. Am J Clin Nutr. 2021 Jan 20:nqaa358. doi: 10.1093/ajcn/nqaa358