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Might donating blood reduce blood concentrations of organochlorines, once the body has time to regenerate blood? Bill WallerDallas, Texas Researchers Catherine Pelletier and Angelo Tremblay of Laval University in Quebec City, Quebec, say this question is interesting but that the small quantity of donated blood wouldn’t significantly affect the overall concentration of organochlorines .—C. Lock
- Health & Medicine
A Toxic Side of Weight Loss: Pollutants may slow body’s metabolism
Weight loss releases toxic chemicals into the bloodstream, which may slow the body's metabolism.
- Earth
Sea Change: Carbon dioxide imperils marine ecosystems
Almost half the carbon dioxide produced by human activity in the past 2 centuries is now dissolved in the oceans, resulting in chemical changes that, if unchecked, could threaten some marine ecosystems.
