Immunity
The Importance of Sleep for Your Immune System
Mark J. Smith, Ph.D. and 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. 
Added Dietary Salt Adversely Influences Immunity & Inflammation
Loren Cordain, Ph.D. and 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
M.S. and 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
CISSN, CSCS, et. al.
These foods can boost your immune system during times of stress, poor sleep, or whenever you feel a cold coming on.