http://fitmenover40.com In this episode you will learn: - How your immune system works - Factors that can weaken your immune system - Nutrition strategies to boost your immunity - Simple lifestyle changes to prevent getting sick Resources mentioned in this episode: Vitamin D - http://goo.gl/JhZWJ6 Glutamine - http://goo.gl/KD7PXN Vitamin C - http://goo.gl/aOHpJs Zinc - http://goo.gl/VMX4IC Whey Protein - http://goo.gl/dqC8fw Probiotics - http://goo.gl/5zHaNe