Background Methacholine hyperresponsiveness is prevalent in elite athletes. Comparative studies have hitherto been limited to methacholine, eucapnic voluntary hyperpnoea and exercise. This study ...

A new study urges caution in the use of the mannitol challenge test for asthma in non-clinical settings. The test is considered widely applicable to detect asthma, but its accuracy outside of patients ...

The mannitol challenge test helps detect asthma, but its accuracy outside of patients referred for specialized respiratory management has not been thoroughly explored. The mannitol challenge test is a ...

The use of ion chromatography with amperometric detection for simple and reliable determination of lactulose and mannitol in urine is described in this article. Diagnosis of the leaky gut syndrome and ...