Everyone knows that a nice cup of tea is the best thing for someone who has had some kind of shock or stressful ordeal no other hot drink seems to offer this kind of support so there must be something in tea that has this calming effect tea certainly contains a surprising amount of caffeine and yet is not generally considered as a stimulant in the same way that coffee is some researchers think that this maybe because tea contains something else in effect cancelling out the caffeine the mys