The number of chemicals in use in the developed world was more than 82,000 at the last count, and most of them – 86 per cent, according to one estimate – have never been tested for their effects on humans.
Bill Bryson
The number of chemicals in use in the developed world was more than 82,000 at the last count, and most of them – 86 per cent, according to one estimate – have never been tested for their effects on humans.