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Rehan Raina: Did You Know Your Immune Cells are What Actually Kill Cancer?
Rehan Raina/LinkedIn
Apr 21, 2026, 08:26

Rehan Raina: Did You Know Your Immune Cells are What Actually Kill Cancer?

Rehan Raina, Quality and Marketing Manager at Salalah Macaroni Co SAOC, shared a post on LinkedIn about recent articles, adding։

“Did you know your immune cells are what actually kill cancer?

As a surgeon who removed hundreds of cancers, this is something I lived firsthand and it took me years to fully reckon with it.

When an oncologist orders a CBC, they are looking at red blood cells for anemia, platelets to prevent bleeding, and neutrophils to avoid infection.

All valid. All important for managing treatment side effects.

But none of those cells kill cancer.

The cells that kill cancer are your natural killer cells and T cells.

They live inside that same CBC under the lymphocyte count.

And for decades, most oncologists never looked at them.

Not out of negligence, but because there was no drug or intervention that could meaningfully increase them.

So the number sat there, ignored.

That is changing now in a significant way.

Researchers have developed a way to extract a patient’s own T cells, engineer them in a lab to recognize and attack cancer cells specifically, and reinfuse them back into the body.

This is called CAR-T cell therapy, and it is already producing outcomes in certain blood cancers that conventional treatment never achieved.

The broader lesson here is one I think about constantly.

Your immune system is your first and most powerful defense against cancer.

The lifestyle choices that protect and strengthen it, sleep, nutrition, stress management, and movement, are not soft wellness advice.

They are oncology.”

Title: Cancer immunotherapy using checkpoint blockade

Authors: Antoni Ribas, Jedd D Wolchok

Rehan Raina: Did You Know Your Immune Cells are What Actually Kill Cancer?

Title: The future of immune checkpoint therapy

Authors: Padmanee Sharma, James P Allison

Rehan Raina: Did You Know Your Immune Cells are What Actually Kill Cancer?

Title: NK cells for cancer immunotherapy

Authors: Noriko Shimasaki, Amit Jain, Dario Campana

Rehan Raina: Did You Know Your Immune Cells are What Actually Kill Cancer?

Title: Treatment of the “syndrome of doubles”

Authors: G N Christodoulou

Rehan Raina: Did You Know Your Immune Cells are What Actually Kill Cancer?

Proceed to the video attached to the post.

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Amit Jain Antoni Ribas bleeding disorders cancer Car T-Cell Therapy CBC Dario Campana G N Christodoulou Health Hematology Hemostasis Hemostasis News Hemostasis Today Immune System Immunology Immunotherapy James P Allison Jedd D Wolchok lymphocyte Medicine Natural Killer Cells Noriko Shimasaki Oncology Padmanee Sharma Rehan Raina T Cells
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