Stimuli that are correlated with an increase in NEB size, such as capsaicin exposure or bacterial infection, also increase the amount of serum and tissue CGRP (Bigal et al., 2015; Jean et al., 2022; Russell et al., 2014; Sui et al., 2018), consistent with the CGRP‐induced NEB size increase observed in the current study. The gene discussed is CALCA; the disease is bacterial infectious disease.