Download - Natural or Man-made Chemicals?
![Page 1: Natural or Man-made Chemicals?](https://reader036.vdocuments.mx/reader036/viewer/2022081420/568160f3550346895dd02d94/html5/thumbnails/1.jpg)
Natural or Man-made Chemicals?
Adapted from a presentation by Penny Le Couteur,
The Fraser Institute, Vancouver, Canada
![Page 2: Natural or Man-made Chemicals?](https://reader036.vdocuments.mx/reader036/viewer/2022081420/568160f3550346895dd02d94/html5/thumbnails/2.jpg)
“All substances are poisonous,there is none which is not a poison; the right dose differentiates a poison from a remedy.”
Paracelsus circa 1538
![Page 3: Natural or Man-made Chemicals?](https://reader036.vdocuments.mx/reader036/viewer/2022081420/568160f3550346895dd02d94/html5/thumbnails/3.jpg)
The great myth
“Natural is good; man-made is bad”
![Page 4: Natural or Man-made Chemicals?](https://reader036.vdocuments.mx/reader036/viewer/2022081420/568160f3550346895dd02d94/html5/thumbnails/4.jpg)
It may be natural but you’ll be just as dead!
![Page 5: Natural or Man-made Chemicals?](https://reader036.vdocuments.mx/reader036/viewer/2022081420/568160f3550346895dd02d94/html5/thumbnails/5.jpg)
The seven most deadly chemical compounds
LD50 /mg/kg
Botulinum toxin A 3 x 10-8
Tetanus toxin A 5 x 10-6
Diphtheria toxin 3 x 10-4
Dioxin * 3 x 10-2
Muscarine 2 x 10-1
Bufotoxin 4 x 10-1
Sarin * 4 x 10-1
LD50 = The lethal dose of a compound for 50% of animals exposed
* Synthetic
![Page 6: Natural or Man-made Chemicals?](https://reader036.vdocuments.mx/reader036/viewer/2022081420/568160f3550346895dd02d94/html5/thumbnails/6.jpg)
![Page 7: Natural or Man-made Chemicals?](https://reader036.vdocuments.mx/reader036/viewer/2022081420/568160f3550346895dd02d94/html5/thumbnails/7.jpg)
![Page 8: Natural or Man-made Chemicals?](https://reader036.vdocuments.mx/reader036/viewer/2022081420/568160f3550346895dd02d94/html5/thumbnails/8.jpg)
![Page 9: Natural or Man-made Chemicals?](https://reader036.vdocuments.mx/reader036/viewer/2022081420/568160f3550346895dd02d94/html5/thumbnails/9.jpg)
![Page 10: Natural or Man-made Chemicals?](https://reader036.vdocuments.mx/reader036/viewer/2022081420/568160f3550346895dd02d94/html5/thumbnails/10.jpg)
Viktor YushchenkoPresident of the Ukraine
July 2004 December 2004
![Page 11: Natural or Man-made Chemicals?](https://reader036.vdocuments.mx/reader036/viewer/2022081420/568160f3550346895dd02d94/html5/thumbnails/11.jpg)
![Page 12: Natural or Man-made Chemicals?](https://reader036.vdocuments.mx/reader036/viewer/2022081420/568160f3550346895dd02d94/html5/thumbnails/12.jpg)
Muscarine - from mushrooms
OCH2
H3C
HO
N
CH3
CH3
CH3
Cl
![Page 13: Natural or Man-made Chemicals?](https://reader036.vdocuments.mx/reader036/viewer/2022081420/568160f3550346895dd02d94/html5/thumbnails/13.jpg)
![Page 14: Natural or Man-made Chemicals?](https://reader036.vdocuments.mx/reader036/viewer/2022081420/568160f3550346895dd02d94/html5/thumbnails/14.jpg)
Bufotoxin – from the common toad
O
CH3
OH
O
CH3
O C
O
CH3
O
C
(CH2)6O C
O
NH CH
COOH
CH2 CH2 CH2 NH C
NH
NH2