Conclusions: The use of a low sodium diet as an adjunctive therapy to normal treatment has no additional therapeutic benefit in adults with asthma and bronchial reactivity to methacholine.

• 结论：作为正规治疗的辅助疗法，低钠饮食对哮喘及支气管对乙酰甲胆碱的反应性的降低没有额外的治疗益处。