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Association between dietary copper intake and constipation in US adults
Wenyi Du1,2, Chen Yan3, Yinkang Wang1,2
1Department of General Surgery, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, China.
Scientific Reports
|August 20, 2024
Summary
Higher dietary copper intake is linked to a lower prevalence of constipation in U.S. adults. This study suggests copper may play a role in maintaining bowel health.
Area of Science:
- Nutrition Science
- Gastroenterology
- Public Health
Background:
- Constipation is a common gastrointestinal issue influenced by dietary factors.
- The specific role of dietary copper in constipation remains under-researched.
Purpose of the Study:
- To investigate the association between dietary copper intake and constipation in U.S. adults.
- To provide insights for clinical management and prevention strategies for constipation.
Main Methods:
- Analysis of data from the National Health and Nutrition Examination Survey (NHANES) (2005-2010).
- Dietary information collected via questionnaires.
- Multivariate logistic regression, subgroup, and curve fitting analyses were employed.
Main Results:
- A significant negative association was found between dietary copper intake and chronic constipation.
- Each unit increase in dietary copper intake correlated with a 20% reduction in constipation prevalence (OR=0.80, P=0.037).
- Findings were consistent across various subgroups.
Conclusions:
- Dietary copper intake is significantly associated with a reduced prevalence of chronic constipation in adults.
- Highlights the importance of trace elements like copper in intestinal health.
- Suggests potential for personalized nutrition and copper supplementation in constipation management.
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