Thinking positive increased a specific brain region's activity and might have heightened immune response after a shot.

"These findings suggest that consciously generated positive expectations can engage reward circuitry to influence immune ...

Positive thinking boosts vaccine effectiveness, study finds - Findings may shed more light on the biological process behind ...

Training people to activate a part of the brain linked to reward and positive expectations may be associated with an increase ...

Training yourself to expect good things to happen sounds like helpful advice in general. Now, new research suggests that good ...

Healthy adults trained to upregulate reward circuitry using neurofeedback showed stronger immune responses to HBV vaccination. Read more.

Increasing activity in a deep-brain region can boost the immune system’s response to vaccines —and people can be trained to ...