Science Snapshots: September 20, 2026 - The Hindu
• Researchers discovered that regular physical activity triggers epigenetic reprogramming, which is a process that changes how genes are expressed without altering the DNA sequence. • The study found that exercise preactivates natural killer cells and CD8+ T cells to more effectively identify and destroy abnormal cells. • These findings suggest that consistent exercise strengthens immune surveillance and suppresses chronic inflammatory pathways to improve overall health.
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