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Effects of mediterranean diet on lung function in smokers: a randomised, parallel and controlled protocol
Mar Sorlí-Aguilar1, Francisco Martín-Luján2,3, Antoni Santigosa-Ayala4,5
1Unitat de Suport a la Recerca Tarragona - Reus, Institut Universitari d'Investigació en Atenció Primària Jordi Gol (IDIAP Jordi Gol), Tarragona, Spain. mar.sorlia@gmail.com.
BMC Public Health
|February 1, 2015
Summary
This study investigated if the Mediterranean Diet (MD) improves lung function in smokers. Results suggest the MD may protect lung health, offering a potential nutritional strategy for smokers.
Area of Science:
- Nutrition Science
- Pulmonary Medicine
- Public Health
Background:
- Evidence suggests nutrient intake affects pulmonary function.
- The Mediterranean Diet (MD) eating pattern's impact on lung function in smokers remains unclear.
- This study addresses the lack of observed association between the MD and improved lung function in a specific setting.
Purpose of the Study:
- To evaluate the effect of an intervention designed to increase adherence to the Mediterranean Diet (MD) on lung function in smokers without prior respiratory disease.
- To investigate the potential protective role of the MD eating pattern on lung function in a smoking population.
- To explore nutritional strategies for maintaining lung health in smokers.
Main Methods:
- A 2-year, randomized, controlled, parallel clinical trial conducted in primary health care centers.
- Participants were current smokers (aged 35-70 years) with no previous respiratory disease, randomized into an intervention group and a control group.
- The intervention involved personalized dietary education, a Web 2.0 approach (DIET Blog), and group sessions to enhance MD adherence. Lung function was assessed via spirometry (FVC, FEV1, FEV1/FVC %).
Main Results:
- The study aimed to compare lung function parameters between the intervention and control groups based on adherence to the MD pattern.
- Intention-to-treat analysis was employed, with lung function indicated by spirometry (FVC, FEV1, FEV1/FVC %) as the primary outcome.
- Data on the effectiveness of the MD intervention on lung function in smokers were collected.
Conclusions:
- The DIET study provides data on the potential protective action of the Mediterranean Diet (MD) pattern on lung function in smokers.
- If the MD demonstrates a protective effect, this population could benefit from nutritional interventions alongside smoking cessation recommendations.
- This research contributes to understanding the role of diet in respiratory health among smokers.
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