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Lake Algae And Lou Gehrig's

Example of cyanobacteria blooms on Bow Lake in Bow, New Hampshire (Photo courtesy New Hampshire Department of Environmental Services)

There’s a kind of blue and green scum that can bloom in lakes and ponds across the nation. This scum is called cyanobacteria. For years, scientists have known that this stuff can produce dangerous toxins. Amy Quinton reports now researchers are studying whether there’s a link between cyanobacteria and Lou Gehrig’s disease:

A related news article

Info on harmful algae blooms from the CDC

Wikipedia's page on cyanobacteria

Producer: Amy Quinton
Release Date: June 29, 2009
Running Time: 3:33

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