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

Oct 7, 2025

4 min

Does IgA decrease with age? Exploring the facts behind immunosenescence

While many aspects of the immune system weaken with time, the common assumption that all antibodies decline in older age is incorrect. The question, does IgA decrease with age?, reveals a more complex picture of immunosenescence, where different types of immunoglobulins are affected in various ways.

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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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