About the Author
Dr David Collison graduated from the University of Sydney in
1960 with 1st Class Honours in Medicine. His postgraduate studies led
to a specialist practice with a focus on environmental health and psychosomatic
illness. He pioneered the use of Hypnotherapy and founded the Australian
Society of Hypnosis in 1970. He is a past president of that Society as
well as a past president of the International Society of Hypnosis. His
book ‘Why Do I Feel So Awful?’ (1989, Angus and Robertson)
is accepted as one of the textbooks in Clinical Ecology / Environmental
Medicine. His research for this book resulted in the award of the degree
Doctor of Philosophy. His book ‘How To Stop Feeling So Awful’
is a companion book to ‘Why Do I Feel So Awful?’, full of
practical advise and published in 2000 (Oracle Press).
He founded the Huntly Center in 1928 to provide Education and Research in Clinical
Ecology, Nutrition and Dietary Advice, Positive Lifestyle and Health
Promotion, and Stress Management.