Top critical review
23 people found this helpful
on 22 December 2007
I picked this book up in the library out of idle interest as a professional chemist. But was so appalled by the content I thought I would comment.
The whole book is based on a misunderstanding. The toxicity of a chemical, naturally derived or synthetic, is dependent on the dose. This is best shown thinking of alcohol .....drinking a litre of vodka in one go has a chance of killing you but drinking one vodka and tonic won't do you any harm. So the toxicity depends upon how much you ingest.
Thus quoting the toxic effects for something at very high exposure is meaningless when considering tiny amounts in perfume, household products or anything else.
An example of this effect is on page 106 in a section on fragrances where it states "Limonene is a carcinogen" but limonene is the substance responsible for the smell of oranges and is present naturally in the rind of oranges and lemons. Does this mean we should be scared of oranges? Clearly not. The carcinogenicity was established by feeding enormous quantities to rats.
Summary: This book is useless and will potentially cause harm to the reader through unnecessary worry and just lead to an increase in the ranks of the worried well.