NZ Skeptics Articles

Martin Wallace is a retired physician with special training in kidney diesease and its management, and a degree in pharmacology in addition to the MB., ChB. Since retirement he has had time to resume his education in other fields.

Natural product, unnatural practice

1 May 2013

Vitamin C is essential to human health, but our understanding of its role has been perverted by practitioners of 'alternative' medicine.

Avoiding the trap of belief-dependant realism

1 February 2012

The Believing Brain: how we construct beliefs and reinforce them as truths by Michael Shermer. Times books, New York. 386pp. ISBN 978-0-8050-9125-0. Reviewed by Martin Wallace.

The natural origins of morality

1 May 2011

The Moral Landscape: How Science can Determine Human Values. Sam Harris. 2010. Free Press, New York. ISBN 978-1-4391-7121-9 Reviewed by Martin Wallace.

The physiology of the placebo effect

1 May 2009

Placebos may contain no active ingredients, but they have real effects on the human brain. This article is based on a presentation to the NZ Skeptics 2008 conference in Hamilton, September 26-28.