How does exercising help your immune system?

Physical activity promotes the movement of the immune system via white blood cells to more locations where viruses and bacteria can be identified.
Not only does exercise get the immune cells moving throughout the body during activity, but it also promotes a lasting presence of these immune cells for up to three hours after exercise is completed. This provides extra time for the immune cells to identify unwanted intruders and keep you from getting sick.
With consistent exercise comes more time for immune cells to patrol the body for bacteria and viruses. Therefore, it's beneficial to get into a routine of moving your body rather than exercising just occasionally.
Exercise doesn't have to mean running or going on a lengthy hike; start small and adjust your routine as needed. Do short bursts of activity throughout your day if you can't do it all at once; some movement is better than none!
Source: https://www.gundersenhealth.org/health-wellness/mo...

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