Background: The fraction of nitric oxide in exhaled air (FENO) is believed to reflect the degree of allergic inflammation present in the lower airways. The diffusing capacity of NO in the airways (DawNO) and the concentration ...
The etiology of Parkinson’s disease (PD) is largely unknown, but epidemiological studies have provided robust evidence that environmental factors have a central role in PD pathogenesis and progression. The studies included ...