Immunity
Boost Immunity and Fight Disease with Spinach
Maureen Farrar
Learn how to select, store, and prepare spinach to reap its benefits. 
The Importance of Sleep for Your Immune System
Mark J. Smith, Ph.D.
We often focus on diet and exercise to improve our health and immunity, but the importance of a good night’s sleep can’t be overstated. 
How Vitamin D Boosts Immunity
Aimee McNew
Vitamin D boosts the immune system by speeding up the first wave of immune response against viruses like COVID and the flu. 
Balancing Exercise and Illness: Two Sides of the Same Coin
Trevor Connor, M.S.
Our immune systems don’t just fight viruses; they are also responsible for our training adaptations. 
Added Dietary Salt Adversely Influences Immunity & Inflammation
Loren Cordain, Ph.D.
Research in humans has demonstrated that a high salt diet promotes chronic inflammation and adversely affects the immune system. 
Wheat Series Part 1: The Digestive Immune System
Trevor Connor, M.S.
A healthy gut exposed to wheat isn’t fine in anyone. Find out how the digestive immune system differs from the one in our bloodstream, and how wheat can cause inflammation and gut imbalances. 
Healthy Foods and Micronutrients That Boost Your Immune System
Marc Bubbs ND, MSc, CISSN, CSCS
These foods can boost your immune system during times of stress, poor sleep, or whenever you feel a cold coming on.