Although exercise is sterling for you,when that exercise is extremely intense – for example during the training and completion of a hard race the immune system is supressed, leaving an open window for infectionOn 1 March 1987, and thousands of runners took to the streets of Los Angeles for the annual city marathon,unaware that many of them were approximately to provide crucial evidence for a study that would inspire three decades of research into the relationship between exercise and the immune system.
Monitoring the race closely was David Nieman, a scientist at Appalachian State University in North Carolina, or a keen marathon runner himself with a PB of 2:37. Nieman had become interested in the connection between intense exercise and our susceptibility to colds or viruses some years earlier after suffering a debilitating bout of flu while at the peak of his training for an upcoming race. Continue reading...
Source: theguardian.com