Non-pharmacological interventions for pollen-induced allergic symptoms: Systematic literature review.
Paul SchutzmeierSusanne KutzoraIsabella MittermeierJana BeckerKarl-Christian BergmannStephan Böse-O'ReillyJeroen ButersAthanasios DamialisJoachim HeinrichMichael KabeschHanna MertesDennis NowakChristine KorbelySandra Walser-ReichenbachAlisa WeinbergerStefanie HeinzeNadine Steckling-MuschackCaroline HerrPublished in: Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology (2021)
Most studies had a high risk of bias and small sample sizes. There were only a few high-quality studies that give hints about the effectiveness of non-pharmacological interventions. For future research, more high-quality studies are required to confirm the effectiveness of simple, safe, and cost-effective interventions.