The Do No Harm principle is a bedrock of ethics courses every would-be medical, nursing, dental and pharmacy student must take to graduate.

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"I would just say 'do no harm' is the first principle if you're healthy, " Mr. Kristol said in an interview.

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If the principle we care about is protecting children from harm, the practice should pertain to all threats comparably.

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Furthermore, in practice invocation of the precautionary principle focuses attention solely on the possibility of harm, often ignoring information about the dose to which people are exposed, avoiding consideration of benefits of the agent in question and whether safer substitutes are available, and giving greater weight to studies that appear to indicate a hazard, even when these studies may be of poorer quality.

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The ethical principle at the heart of this policy is simple: Do No Harm.

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As has been thoroughly documented by Lawrence Kogan of the Institute for Trade, Standards and Sustainable Development, the marine environmental protection requirements emanating from LOST are rooted in the European-derived "precautionary principle, " a legal tenet requiring assurance that a proposed action will cause no harm to the environment before proceeding.

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