topicPropolis Respiratory Symptoms Meta-Analysis
claimTheir use in toothpastes and gels may therefore provide clinicians and patients with evidence-based, well-tolerated alternatives or adjuncts to conventional formulations for maintaining and improving gingival health.
evidence level1
citationMeyer F (2026)
sourceNatural Agents for the Improvement of Gingival Health: Systematic Review and Meta-Analysis of Randomized Clinical Trials.
topicPropolis Respiratory Symptoms Meta-Analysis
claimPurpose This systematic review and meta-analysis evaluated the efficacy of natural ingredients used in toothpastes and gels in improving gingival health.
evidence level1
citationMeyer F (2026)
sourceNatural Agents for the Improvement of Gingival Health: Systematic Review and Meta-Analysis of Randomized Clinical Trials.
topicPropolis Respiratory Symptoms Meta-Analysis
claimMaterials and methods A comprehensive search strategy using different databases was conducted in accordance with PRISMA guidelines to identify randomized clinical trials (RCTs) on the use of natural ingredients for improving gingival health.
evidence level1
citationMeyer F (2026)
sourceNatural Agents for the Improvement of Gingival Health: Systematic Review and Meta-Analysis of Randomized Clinical Trials.
topicPropolis Respiratory Symptoms Meta-Analysis
claimBeyond established risk factors such as smoking and exposure to pollutants increasing evidence emphasizes the role of oxidative stress (OS) in COPD pathophysiology.
evidence level1
citationLópez-Denis M (2026)
sourceAntioxidants as Therapeutic Tools in the Management of COPD: A Systematic Review with Meta-Analysis.
topicPropolis Respiratory Symptoms Meta-Analysis
claimN-acetylcysteine-based interventions were associated with a significant reduction in exacerbation risk (risk ratio 0.80; 95% confidence interval 0.66-0.98), corresponding to a 20% relative reduction.
evidence level1
citationLópez-Denis M (2026)
sourceAntioxidants as Therapeutic Tools in the Management of COPD: A Systematic Review with Meta-Analysis.
topicPropolis Respiratory Symptoms Meta-Analysis
claimChronic obstructive pulmonary disease (COPD) is a leading cause of morbidity and mortality worldwide.
evidence level1
citationLópez-Denis M (2026)
sourceAntioxidants as Therapeutic Tools in the Management of COPD: A Systematic Review with Meta-Analysis.