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Why Aging and Chronic Illness Start in the Immune System

Kent Holtorf
Kent Holtorf

Medical Director, Holtorf Medical Group

20 days ago
  • Picture the immune system as a teeter-totter. On one side sits the TH1 and regulatory response that clears threats and keeps you resilient. On the other sits the TH2 and TH17 response that, when it dominates, tips toward inflammation and autoimmunity. Holtorf’s argument is that age, stress, toxins, and chronic infection push almost everyone toward the wrong side of that balance.
  • The thymus is on a timer. It begins shrinking in childhood and is largely wound down by mid-adulthood, taking much of its immune signaling with it. Holtorf uses that decline to explain why an aged immune phenotype shows up alongside hormone shifts, mitochondrial trouble, and the low-grade inflammation that tracks with biologic age.
  • Senescent cells are a running theme in the longevity literature, and Holtorf puts them at the center. These worn-out cells resist being cleared, secrete inflammatory signals, and, as natural killer function falls with age, accumulate. He makes the case for immune-directed peptides and bioregulators as a way to work on that layer rather than chasing symptoms downstream.

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