Can training your brain’s reward circuits strengthen your immune response to vaccination? A new randomised controlled trial offers some fascinating early clues.
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Oxytocin alone didn’t speed wound healing in couples, but combined with affectionate touch and partner appreciation, it showed modest benefits. Social context matters more than hormones.
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Although a flu vaccine activated the immune system and raised cytokine levels in this randomised trial, participants didn’t feel substantially different from the placebo group. Vaccine models can help study subtle inflammation effects.
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