The adaptive immune system produces antibodies like IgM and IgG to combat infections, with IgM appearing first during a recent infection. Maintaining a healthy mucus lining is crucial for optimal immune function, and this is largely supported by a diverse microbiome that exists not only in the gut but also in various body regions including the eyes and mouth. Understanding how to nurture this microbiome can help prevent harmful bacteria from thriving and ensure effective immune responses.
