Director / Editor: Victor Teboul, Ph.D.

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Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

Carbon monoxide: what is it and why is it deadly?

By Mark Lorch, Professor of Science Communication and Chemistry, University of Hull

The early symptoms of carbon monoxide poisoning include headaches or dizziness, breathlessness, nausea, tiredness, chest and stomach pains and visual problems.

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