
Biblical Medicine
A Merry Heart Does Good Like Medicine: The Science of Joy, Gratitude, and God's Design for Immune Resilience
September 6, 2026
Proverbs 17:22 declared it millennia before immunology existed: a joyful heart is good medicine. Modern psychoneuroimmunology now confirms that gratitude, joy, and positive emotion directly modulate immune function, reduce inflammatory cytokines, and strengthen the body's defenses. Discover the science behind Scripture's oldest prescription and the faith-centered path to whole-person immune resilience.
Read more