TNF and Behcet disease: Moreover, as it was in our case, no study has found any correlation between manic symptomatology through measures with the YMRS and TNF-α levels in BD patients (O'Brien et al., 2006; Kim et al., 2007; Barbosa et al., 2011; Doganavsargil-Baysal et al., 2013; Luo et al., 2016; Pantović-Stefanović et al., 2018; van den Ameele et al., 2017).