“…Research by French physiologist Dr Israel Waynbaum infers that facial muscles used to express emotion trigger specific brain neurotransmitters. Smiling signals endorphins and immune boosting killer t-cells whereas frowning triggers the secretion of stress hormones cortisol, adrenalin and noradrenaline. The happy hormones released stabilise blood pressure, improve respiration, relax muscles, reduce pain, accelerate healing and help to stabilise mood…”
johndwmacdonald 
Renard Moreau
December 28, 2013
[ Smiles ] Everyone needs to smile more often!
johndwm
December 28, 2013
Yes I never thought of starting the smile in order to improve the feeling….