12/10/2026
Singing might be doing more for your body than you thought. Research on professional choir singers found that a protective antibody in your saliva called sIgA spiked significantly while they sang. During rehearsals, levels jumped 150 percent. During actual performances in front of an audience, they jumped 240 percent.
sIgA is an antibody that guards the moist surfaces of your body, especially your mouth and throat, where germs love to sneak in. A bigger immune boost in those areas means better protection against infection. The most interesting part was that the effect was even stronger during live performance, suggesting the combination of singing plus the energy and stress of performing created an even bigger immune response. Your voice and the act of performing literally changed how your body was working at a biological level.
But here’s the honest part. This study doesn’t prove that singing heals illness or that you should belt out songs instead of going to the doctor. It shows that vocal activity creates measurable changes in your immune response, at least temporarily. It’s not a cure. It’s evidence that your body responds to what you do, and sometimes in surprising ways.
