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Articles related to focusing on healthy aging, prevention, mobility, cognition, nutrition, independence, and caregiving support.

Oct 5, 2025

6 min

Do IgA Levels Change with Age? Understanding the Lifelong Shift in Immunity

According to the University of Michigan, IgA levels are extremely low in newborns and gradually increase throughout childhood. Indeed, IgA levels change significantly over a person's lifespan, with a distinct pattern of development, stability, and potential decline. This article explores how and why **do IgA levels change with age**, affecting both mucosal and systemic immunity.

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Oct 4, 2025

4 min

Does IgM Decrease with Age? Understanding Immunosenescence

According to a 2021 meta-analysis published in *Frontiers in Immunology*, older individuals on average have lower serum IgM levels compared to younger adults. The answer to "Does IgM decrease with age?" is a clear yes, marking a significant aspect of age-related immune changes, or immunosenescence.

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