How does regular physical activity affect the immune system?

How does regular physical activity affect the immune system?

• A. Boosts immune function by increasing white blood cells
• B. Suppresses immune function
• C. Has no effect on immunity
• D. Only affects digestion

Answer: (B)

Regular moderate physical activity strengthens the immune system by improving the circulation of immune cells, which helps the body patrol for pathogens more effectively. With regular exercise, more white blood cells and other immune components circulate, enhancing immune surveillance and potentially reducing the risk and severity of infections. The benefit is greatest with consistent, moderate activity over time. It’s worth noting that very intense, prolonged exercise without adequate recovery can temporarily suppress immunity for a short period, but that does not negate the overall boost seen with regular, moderate activity. So, regular activity typically boosts immune function rather than suppressing it, and it has effects beyond digestion or having no effect.

Regular moderate physical activity strengthens the immune system by improving the circulation of immune cells, which helps the body patrol for pathogens more effectively. With regular exercise, more white blood cells and other immune components circulate, enhancing immune surveillance and potentially reducing the risk and severity of infections. The benefit is greatest with consistent, moderate activity over time. It’s worth noting that very intense, prolonged exercise without adequate recovery can temporarily suppress immunity for a short period, but that does not negate the overall boost seen with regular, moderate activity. So, regular activity typically boosts immune function rather than suppressing it, and it has effects beyond digestion or having no effect.