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Toxicology Basics
"All things are poison and nothing is without poison. Solely the dose determines that a thing is not a poison." - Paracelsus, 16th century Swiss doctor - The Father of Modern Toxicology
Resources:
Toxicology Tutor I - Basic Principles from the National Library of Medicine
ABCs of Toxicology
ABCs of Toxicology, Part 2: Dose and Response
'...Paracelsus's "dose makes the poison" has become "The dose of the mixture makes the poison, but differently for genetically different individuals and differently at different times during growth and development (always mindful that lower doses may be more poisonous than higher doses), and differently depending upon the degree of adaptation (or sensitization) acquired as a result of that history."' http://www.oocities.org/toomanytoxins/rachels755.pdf
Additional Information:
Paracelsus Revisited
Paracelsus Revisited Part II
The Toxic Substances Control Act
Multiple Chemical Sensitivity
The Precautionary Principle
"When an activity raises threats of harm to human health or the environment, precautionary measures should be taken even if some cause and effect relationships are not fully established scientifically. In this context the proponent of an activity, rather than the public, should bear the burden of proof. The process of applying the precautionary principle must be open, informed and democratic and must include potentially affected parties. It must also involve an examination of the full range of alternatives, including no action." - Wingspread Statement on the Precautionary Principle, Jan. 1998
Source: Science and the Environment Health Network
http://www.sehn.org/precaution.html
Additional Information:
How Risk Assesment Poisoned Our Children
The Precautionary Principle
Answering the Critics of Precaution Part I
Answering the Critics of Precaution Part II
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