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Does the thymus gland atrophy? An expert guide to age-related and induced thymic involution

The thymus gland begins to atrophy in humans as early as the first year of life, continuing this process throughout a person's lifetime. This progressive shrinking of the organ, known as thymic involution, is a natural and expected part of aging, but various other factors can accelerate or induce it. This authoritative guide explores the physiological, pathological, and clinical aspects of why and how the thymus gland atrophies.