Why thymic involution is the aging organ doctors miss
There is an organ sitting behind my sternum that most of my patients have never heard of. Most of my colleagues rarely mention it. And yet, quietly, steadily, for the past four decades, it has been disappearing.
The thymus. The schoolhouse of the immune system. The place where T cells learn to distinguish self from non-self, friend from threat. By the time most of us reach our fifties, roughly 85 …
Why thymic involution is the aging organ doctors miss










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