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People Who Live Past 100 Have a Surprising Abundance of Cancer-Killing Immune Cells

Among 28 Japanese participants, centenarians had a higher share of rare cytotoxic CD4 T cells, which may help them fight cancer and other immune threats.

Summary by Science Alert
Add killer T cells to your birthday wishlist. ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.

3 Articles

La RazónLa Razón
Lean Right

The Key to Living More than 100 Years Could Be in Your Immune System

We know that the keys, in fact, are many, but a group of researchers just found one we didn't know yet.

·Madrid, Spain
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Science AlertScience Alert
Center

People Who Live Past 100 Have a Surprising Abundance of Cancer-Killing Immune Cells

Add killer T cells to your birthday wishlist. ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.

·Canberra, Australia
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NatureNature
Center

How do people live beyond 110? Abundance of cancer-killing cells might be key

Nature, Published online: 19 August 2026; doi:10.1038/d41586-026-02587-1Research on people 110 years and older reveals an immune system that continues to adapt.

·London, United Kingdom
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Bias Distribution

  • 67% of the sources are Center
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Nature broke the news in London, United Kingdom on Wednesday, August 19, 2026.
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