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Member Since Jun 3rd, 2010

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Recent Comments:

FAQ: Airport Body Scanners

Jul 16th 2010 11:05AM X-rays, in any dose, are not harmless. There is no safe level of exposure and the amount of radiation that one exposes oneself to should be limited to what is absolutely necessary for medical reasons. While I understand and appreciate the need for airport security to be rigorous, x-raying passengers is going to put millions of people at risk for harm to their health. What makes this particularly problematic is that the harm done by radiation is not immediately visible and has long term consequences so is hard to monitor or assess. While the officials in charge of x-ray scanning are pondering this issue or dismissing it for lack of understanding the issues, millions of passengers will be exposed. The damage will be done and is irreversible.

The Daily Fix: Ward Off Mosquitoes

Jun 3rd 2010 6:41PM Just because something is natural does not make it safe. That's important to remember if you are considering spraying pyrethrum into a space as an aerosol. Though it is derived from chrysanthemums, it is a toxic chemical to be used with caution. Certainly, spraying it into the air or on surfaces containing food or drink should be avoided. It is also somewhat absorbable by skin exposure. Check the LC and LD ratings (lethal dose for contact exposure listed for all chemicals on spec sheets) before you use it. Keep dogs and other pets away.

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