Immune system may remember and adapt to stress

Adversity may act similar to a vaccine, stimulating resilience

Mouse exploring

BEING SOCIAL  Mice with incomplete immune systems, like the black mouse, become more social after a transplant of immune cells from stressed mice, which suggests that the immune system may adapt to adversity.

Courtesy of Miles Herkenham

Stress may act a bit like a vaccine, spurring the immune system to build up resilience to it.