{i} Dr Caroline Leaf, Switch on Your Brain: The Key to Peak Happiness, Thinking, and Health (Baker Books 2013), pp55-70.
{ii} Ibid., pp123-135
{iii} Ibid., pp147-156
{iv} Ibid., pp123-135
{v} Ibid., p150
{vi} Leanne Payne, The Healing Presence, (Kingsway Publications Ltd 1990), p155
{vii} Ibid., pp155-157
{viii} Ibid., pgs71-79