Shark tale: Article captures nuances of mercury, human link.

Posted by Brandon Moore at Mar 25, 2011 06:00 AM |

A Naplesnews.com article that highlights a study about Gulf of Mexico sharks deftly describes how growing amounts of mercury move through the environment to people.

Connecting mercury levels in the dorsal fins of sharks in the Gulf of Mexico to human health requires a deft touch. A March 20th piece in Naplesnews.com about research on methylmercury contamination of sharks effectively does it.

The article covers the ongoing work by Florida Gulf Coast University researcher Darren Rumbold. It presents the biology of these apex predators and translates the ecology and toxicology of environmental mercury to possible impacts on the health of fish consumers.

Often, it is difficult to connect field research using wild animals to human health outcomes for the general public. However, making these and similar environmental connections is pivotal in explaining how observations and events that, at first glance, are seemingly unrelated to your personal well-being can act as sentinels of growing health problems.

Methylmercury exposure is a complex issue. There are multiple sources of environmental mercury; its chemical structure and toxicity often alters in the environment; and the process of biomagnification moves it through food webs toward top consumers, including people.

As explained thoroughly in the article, methylmercury is a problem because of its health effects – especially on the developing fetus and young. Exposure can affect the nervous system and the immune system, lowering the ability to learn or remember.

The reporting demonstrated in this article benefits public understanding of the complexity and interconnectedness of life processes.

 

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