Dr. Max Krummel, a UCSF immunologist, breaks down the surveillance, recognition, and response functions of the immune system. He explains how aging, sleep, stress, and even mindset influence immune competence. The conversation spans thymic decline, how cancers evade detection, and the foundations of modern immunotherapy. Listeners gain a framework for understanding why season and time of day matter for immunization and how basic research translates into cancer treatments.
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Highlights
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The Thymus Is the Training Ground for T Cells, and It Declines with Age00:35:57
Krummel describes how the thymus educates T cells to recognize threats while ignoring the body’s own tissues, and how thymic output drops dramatically as we age.
Krummel outlines how insufficient or poor-quality sleep reduces the body’s ability to fight off infections and likely impairs the formation of immunological memory.