The short answer: feeling good. Positive emotions are bound up with a set of four hormones – endorphins, serotonin, dopamine and oxytocin – which are often labelled as the ‘feel-good hormones’. All of them allow us to accomplish more. Endorphins are often released during physical activity, stress or pain and bring about feelings of happiness and diminished discomfort – and elevated levels usually correlate with increased energy and motivation. Serotonin is connected to mood regulation, sleep, appetite and overall feelings of wellbeing; it underpins our sense of contentment and gives us the
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