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The fishy triangle of acid rain, fish stocks and mercury

by Lucien Beauley

Created on: March 29, 2010   Last Updated: March 31, 2010

Learn The Myths About Mercury Poisoning in Fish

In the mainstream media we are being told to limit our intake of many types of fish because we are told that they contain high levels of Mercury. Are we to believe everything we hear? Please visit this link I have added below:
http://fishscam.com/mercuryMyths.cfm

Is There Some Corroboration To What We Are Being Told?



The answer so far is: There is none. Sure there are many assumptions, but proof there isn't. There is much evidence of just the opposite though. The bottom line from the results of many studies is that amounts of Mercury that has been found in fish in general has virtually remained the same over the past 100 years and has even decreased. The question is why are we being told not to eat fish or at least limit our intake to one or two meals a week?

Examples 1-4 in this article was referenced from: http://fishscam.com/mercuryMyths.cfm

Just a few examples are:

1- In one particular study, scientists from Princeton University compared samples of yellow fin tuna from 1971 with samples caught in 1998. They expected to find an average mercury increase of about 18 percent, but they actually found a small decline instead.

2- There was another group from both Duke University and the Los Angeles County Natural History Museum who compared 21 specimens of Atlantic Ocean blue hake that had been preserved during the 1880's with 66 similar fish caught in the 1970's. The results of their study: They found no change at all in the concentration of mercury.

3- And in a unique experiment, curators of the Smithsonian Institution tested tuna samples that were archived between 1878 and 1909, and compared them with similar fish tissue from 1971 and 1993. They found significantly less mercury in the more recently caught fish. In some cases, the difference was more than 50 percent.

4- There's even some evidence that human beings are exposed to less mercury today than in the past. Alaska's Public Health Department, for example, reports that when the hair of eight 550-year-old Alaskan mummies was tested for mercury, the results showed levels averaging twice the blood-mercury concentration of today's Alaskans.

Some protective organizations find that undermining the fish that are predators to sea species they are trying to protect such as certain sea turtles could increase the turtle's life thus undermining the Shark because of its relatively high mercury content may serve their cause.

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