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Subscribe Now: http://j.mp/HITuni-Subscribe Learn More: http://hituni.com The fact that intense exercise is a stress to the physiology can be seen in the dip in immune function that occurs for a period of about 1.5-2 hours after a workout. However, there is then a bounce-back from this and over the longer term immune function is enhanced, Doug notes, "the acute threat to the immune system creates a positive adaptive response." Watch the in-depth interview with Doug and read our commentary: https://www.hituni.com/health-and-fitness/doug-mcguff-md-talks-fitness-hit-40s/ Doug McGuff is the owner of Ultimate Exercise (since 1997), a personal training facility specializing in High Intensity Training, and co-author of the best-selling book "Body by Science". He is also an Emergency Physician based in South Carolina. Learn more about Doug at http://www.drmcguff.com/ HITuni specializes in delivering online certification courses in High Intensity Training and Resistance Exercise. Learn more about HITuni at https://www.hituni.com/
