Within AD, there were no differences in sputum Tph cells according to general sputum bacterial culture and acid-fast bacilli (for nontuberculous mycobacteria: NTM) culture results (Figure 3D), CT findings (Figure 3E), FeNO (Figure 3F), symptoms (CAT score), or lung function (Figure 3G). This evidence concerns the gene TPH1 and Alzheimer disease.