Blood Trials: An Experience of Fear, Adrenaline and Unconsciousness by Josh Nixon, ESP Update: It turns out that all of this is down to a neurological condition I have since been diagnosed with called Neurally Mediated Syncope. Due to an over-excitable vagus nerve (which has a finger in all the pies, neurologically speaking), my body was … More Blood Trials: An Experience of Fear, Adrenaline and Unconsciousness