South Wairarapa Rebus Club
On Friday 26 September we heard from John Reeve, a Carterton resident, who retired last year from a 40 year career in the NZ Government Service as a regulatory toxicologist and risk assessor. Beginning with the risk assessment of pesticides and veterinary medicines as part of the registration process in New Zealand in 1976, he progressed through a variety of ministry reorganisations, finishing under the Ministry for Primary Industries, responsible for the risk assessment of any human exposures to chemicals and particularly to those chemicals that find their way into food. Most recently he has specialised in the toxicology of natural toxins, such as those produced by plants and marine species.
Toxicology is a broad profession calling for a wide understanding of the life sciences: biochemistry, pharmacology, physiology, microbiology etc., although history’s first toxicologists, the archers who poisoned their arrow tips to kill mammoths, might not have understood the complexity of the game they were getting into. For instance, some essential nutrients, such as iodine, are toxic if taken in excess quantities. The New Zealand diet is deficient in iodine but a recommendation to require it to be added to bread was not accepted and instead it is added voluntarily by bakers. … Continue Reading
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