Story perspectives

Positive Thinking Linked to Stronger Vaccine Response

1/20/2026

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Summary

Story summary

Research indicates positive thinking may boost the immune system, especially in response to vaccinations.
In a study with healthy volunteers, participants who activated the brain's reward system produced more antibodies after the hepatitis B vaccine.
Experts say such mental strategies should complement, not replace, standard medical care, and further studies are needed to determine clinical relevance, while healthcare professionals can foster positive expectations to improve outcomes.

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Story summary

Research indicates positive thinking may boost the immune system, especially in response to vaccinations.
In a study with healthy volunteers, participants who activated the brain's reward system produced more antibodies after the hepatitis B vaccine.
Experts say such mental strategies should complement, not replace, standard medical care, and further studies are needed to determine clinical relevance, while healthcare professionals can foster positive expectations to improve outcomes.