Abstract

BackgroundDiet, one of the components of lifestyle, has been believed to have associations with erectile dysfunction (ED). However, whether there is an association between plant-based diet and ED is remains to be explored. Thus, we conducted the nested case-control study to investigate the relationship between the plant-based diet and ED in China.ResultsED group (92 subjeczts) and ED free group (92 subjects) were similar in terms of basic features (P > 0.05), except for lifestyle (P < 0.05). The plant-diet index (PDI) and healthy plant-diet index (hPDI) in the ED group were significantly lower than those in the control group (P < 0.001). Adjusted multivariate analysis indicated that the presence of ED was negatively associated with nitric oxide levels, PDI, and hPDI (all P < 0.05), and was positively related to body mass index, metabolic syndrome, and E-selectin levels. Furthermore, both the PDI and hPDI increased significantly as the International Index of Erectile Function (IIEF-5) scores increased within the ED group (P < 0.05). Multi-model multivariate analysis indicated the robustness of results.ConclusionsMore plant-based diet intake was associated with a reduced presence of ED and less severe ED in China. Committing to plant-based diet can be encouraged for many health benefits and to lower ED burden. Further well-designed studies are warranted to validate our findings.

Highlights

  • Diet, one of the components of lifestyle, has been believed to have associations with erectile dysfunction (ED)

  • The results of univariate logistic analysis (UVA) showed that the presence of ED was significantly associated with Body mass index (BMI), metabolic syndrome (MetS), nitric oxide (NO) and E-selectin levels, plant-diet index (PDI), and healthy plant-diet index (hPDI), but not TT levels (P = 0.135)

  • Results from multivariate logistic analysis (MVA) indicated that both the PDI and hPDI increased significantly as the Index of Erectile Function-5 (IIEF-5) scores increased within the ED group (Fig. 2 and Table 4)

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Summary

Introduction

One of the components of lifestyle, has been believed to have associations with erectile dysfunction (ED). Diet modification, proved by several well-designed studies, is considered as a potentially important method for cancer prevention and chronic non-communicable diseases control [1,2,3]. In light of these findings, participation in diet modification, especially the plant-based diet has grown swiftly in recent years. It was indicated that such a diet could reduce the incidence of metabolic syndrome (MetS), heart disease, cancer, and even mortality [6,7,8]. It was demonstrated that a suitable reduction of animal-based diet and a more sustainable plant-based diet pattern reduced about 70% of the greenhouse gas emissions [9]

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