Chronic, low-grade inflammation in the body—a phenomenon known as “inflammaging” because it increases with age—has been linked to many of today’s leading causes of illness and death, including cancer, heart disease, metabolic conditions and neurodegenerative diseases. But scientists have struggled to understand what causes inflammaging or how to reverse its effects.
Researchers from the Keck School of Medicine of USC have identified the thymus, a small organ behind the breastbone that plays a central role in immune system development, as a key player in inflammaging. They discovered that thymulin, a hormone produced by the organ, keeps inflammation under control.
As we age, thymulin decreases and inflammation increases, allowing diseases like cancer to progress...
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