Oncology • January 16, 2026 • 3 min read • Medical News

Vitamin A may be helping cancer hide from the immune system

A vitamin A byproduct has been found to quietly disarm the immune system, allowing tumors to evade attack and weakening cancer vaccines. Scientists have now developed a drug that shuts down this pathway, dramatically boosting immune responses and slowing cancer growth in preclinical studies.

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Vitamin A may be helping cancer hide from the immune system

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