Question

why the size of thyms gland reduce with increasing age ??
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Answer 1

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Thymic involution begins as early as the first year and continues through aging. This process causes thymic tissue to be gradually replaced with fat cells, reducing its ability to produce new naive T cells.

1st answer is incorrect...

Answer 2

Answer:

Why does the thymus gland shrink with age?

summary: A critical immune organ called the thymus shrinks rapidly with age, putting older individuals at greater risk for life-threatening infections. A new study reveals that thymus atrophy may stem from a decline in its ability to protect against DNA damage from free radicals.

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