Physical activity is considered one of the key parts of strengthening the immune system. However, even the most beneficial habits can have the opposite effect if you exceed reasonable limits..

Excessive exercise can weaken the immune system and make the body more vulnerable to infections. eatthis edition. com tells you how to exercise correctly to maintain health, and not harm it..

Specifically, a study published in the Journal of Sport and Health Science shows that moderate to intense exercise lasting less than 60 minutes boosts the immune system. This promotes a more dynamic exchange of different types of immune cells between the bloodstream and tissues.

Another scientific analysis in the same journal shows that regular physical activity, even as you age or are overweight, improves the body's ability to resist pathogens and reduces the risk of death from respiratory diseases..