A valentine’s kiss

Psychologists leave no stone unturned, and have researched what kissing is all about. Surprise surprise one  study has found than levels of the stress hormone cortisol are reduced while the friendliness hormone oxytocin is enhanced. Perhaps, more interestingly, a different  study found that the stimulation sparked off by kissing was not as good as the buzz from […]

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Stress: Which comes first SAM or HPA?

We recently received the question above from Claire Matthews of The Castle School in Bristol and thought some of you would be interested in the answer: The SAM system concerns the adrenal medulla and the release of adrenaline/noradrenaline which has the effect of creating physiological (sympathetic) arousal and producing the fight or flight response. The HPA access concerns […]

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