Paper illustration of the intestines with a protective shield and cartoon germs, representing probiotics and immune defense
Immune Function Probiotics
Do Probiotics Help Your Immune System?
Could probiotics strengthen your immunity? Learn how gut bacteria support immune function, which foods are richest in probiotics, and how to choose one.
Woman coughing into her hand and looking unwell, representing a weakened immune response
Immune Function Sleep Stress
10 Common Ways You Weaken Your Immune Response
Some daily habits quietly strain your immune system. Discover 10 common ways you may be weakening your immune response—and simple ways to turn it around.