Endurance exercise may train the immune system as much as the muscles. Older adults with decades of running or cycling had immune cells that functioned better and aged more slowly. Their inflammation levels were lower and their cells resisted fatigue even under stress. The findings point to a direct link between lifelong fitness and healthier immune regulation.
Thursday 16 October 2025
sciencedaily - 17 hours ago
Exercise might be the key to a younger, sharper immune system
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