Magnolia effective for allergic rhinitis

Magnolia (Xin Yi San, XYS, Flos Magnoliae), used as a single herb, is effective in the treatment of perennial allergic rhinitis. In a randomised double-blind study, Chinese researchers treated 108 patients with either XYS or a placebo for three months XYS reduced nasal symptoms (sneezing and rhinorrhoea), and nasal congestion, through reduction of nasal airflow resistance. The scientists also foun ...
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