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Aerosol toxins from red tides may cause long-term health threat
Date:7/9/2008

tive amount of chemically altered DNA in the lungs; an indicator of cancer risk.

"This represents a significant breakthrough in defining the metabolic transformation of brevetoxins and the potential long-term health effects of red tides. It should change perceptions of risk and management of inhalation exposure to harmful algal blooms," notes Ramsdell.

Red tides in the Gulf of Mexico are common, and often persistent, naturally occurring events that release toxins into sea spray aerosols. These aerosols are a particular problem at beaches, as they can cause respiratory distress to lifeguards and beachgoers. Although these shorter-term effects of the airborne toxin are well characterized, potential longer-term effects remain a concern to health officials and coastal communities.

cientists, in NOAA's Oceans and Human Health Initiative, are studying long term health consequences of harmful algal blooms, to predict how the condition of the coastal waters affect human health and how to reduce or eliminate health risks.


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Contact: David Hall
david.l.hall@noaa.gov
301-713-3066
NOAA Headquarters
Source:Eurekalert

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