Study: does exercise provide protection from infection?

Research says yes, but triathletes should be careful not to over-do it

Why does your nose run when you exercise?

Exercise-induced rhinitis is a common issue among runners, but is there anything you can do about it?

Training and COVID-19: Why triathletes should take a vitamin D supplement

New research is showing a link between vitamin D deficiency and severe COVID-19 infections.

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