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

6 min

At What Age Does the Thymus Disappear in an X-ray?

The thymus, a vital part of the immune system, is largest during infancy but begins to shrink shortly after birth. This natural process, known as involution, is the reason it becomes less visible in medical imaging. Understanding at what age the thymus disappears in an xray is important for distinguishing normal development from potential pathology.

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4 min

How does a person's age affect their sensitivity to radiation?

Did you know that radiation sensitivity follows a U-shaped curve over a lifespan? This complex reality explains **how does a person's age affect their sensitivity to radiation**, with both the very young and the very old facing unique risks.

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