General fitness, health and nutrition · Public discussion

Tuna and Mercury

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General fitness, health and nutrition
Published
24 August 2005
Last activity
26 August 2005
Original author
Roy Schestowitz
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20
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  1. I have done some reading on the subject in Wikipedia, being a source which I
    consider relatively reliable. The information was rather limited though. It
    is frequently said in the media that there are dangers associated with tuna
    consumption, especially among pregnant women and the foetus. However, what
    implications would a daily consumption of tuna have on an average man? What
    will be the short- and long-term effects of it, if any?

    One of the big dilemmas for non-vegetarians is that meat contains
    cholesterol, but then again, high-selling fish such as tuna contain
    mercury. What gives?

    Roy

  2. I looked up fish mercury levels at the department of agriculture.
    Canned tuna had the most.
    It said that it has about 40 times the amount of
    mercury than salmon does.

    So I keep eating salmon and have cut back
    on the canned tuna!!!

  3. "Nick" <[email hidden]> schrieb im Newsbeitrag
    news:[email hidden]...

    Quoted message said:

    I looked up fish mercury levels at the department of agriculture.
    Canned tuna had the most.
    It said that it has about 40 times the amount of
    mercury than salmon does.

    So I keep eating salmon and have cut back
    on the canned tuna!!!

    well.. 40 times what amount?
    you can find traces of mercury pretty much everywhere.. it all boils down to
    the quantities.

  4. MMu said:

    well.. 40 times what amount?
    you can find traces of mercury pretty much everywhere.. it all boils down to
    the quantities.

    Silly me! Here I thought that the chemical form of mercury in fish is
    what determines how much if any will be absorbed by the body.

    Go figure!

  5. ___/ On Wednesday 24 August 2005 15:01, [Mr-Natural-Health] wrote : \___

    Quoted message said:
    MMu said:

    well.. 40 times what amount?
    you can find traces of mercury pretty much everywhere.. it all boils down
    to the quantities.

    Silly me! Here I thought that the chemical form of mercury in fish is
    what determines how much if any will be absorbed by the body.

    Go figure!

    Is anything known about its affect on the body, e.g. the brain, the liver
    and so forth? The salmon recommendation was a useful one, but what I worry
    about more are the direct or indirect, short- and long-term effects of
    mercury absorption...

    Many thanks,

    Roy

  6. "Mr-Natural-Health" <[email hidden]> schrieb im
    Newsbeitrag news:[email hidden]...

    Quoted message said:
    MMu said:

    well.. 40 times what amount?
    you can find traces of mercury pretty much everywhere.. it all boils down
    to
    the quantities.

    Silly me! Here I thought that the chemical form of mercury in fish is
    what determines how much if any will be absorbed by the body.

    fish bind mercury as methylmercury cysteine or something chemically very
    similar to that-
    there is a dose/effect relationship proportional to the ammount of mercury
    found in fish.

    do you honestly disagree that the quantity of mercury plays a bigger role
    than the "times amount" comparison?

  7. I don't remember the exact amount; only the 40
    fold difference between Salman and the canned tuna.

    Google it. I believe its at the department of agriculture's
    website.

  8. Roy Schestowitz said:


    Is anything known about its affect on the body, e.g. the brain, the liver
    and so forth? The salmon recommendation was a useful one, but what I worry
    about more are the direct or indirect, short- and long-term effects of
    mercury absorption...

    Yes Roy, we do know about the long-term effects mercury has on the
    brain. Just look at our resident village idiot John Gohde, aka
    Mr-Natural-Health. That ought to make you cringe. I know it makes me
    cringe.

    RBR

  9. ___/ On Thursday 25 August 2005 05:47, [RBR] wrote : \___

    Quoted message said:
    Roy Schestowitz said:


    Is anything known about its affect on the body, e.g. the brain, the liver
    and so forth? The salmon recommendation was a useful one, but what I worry
    about more are the direct or indirect, short- and long-term effects of
    mercury absorption...

    Yes Roy, we do know about the long-term effects mercury has on the
    brain. Just look at our resident village idiot John Gohde, aka
    Mr-Natural-Health. That ought to make you cringe. I know it makes me
    cringe.

    I have looked up and found some mentionings of the name so I now know what
    you mean. Wikipedia anarchist... "Achieving good Nutrition is an Art, NOT a
    Science!" is apparently his famous idiotic statement.

    I come here as a scientist, not as a village idiot. Somebody suggested that
    there are way to measure and dispose of heavy metals in our bodies. I
    wonder if that's an urban legend. The poster sounded as if he knew what he
    was referring to. I still am not sure to what extent mercury is the body is
    damaging and in what sense.

    Roy

  10. Roy Schestowitz said:


    ___/ On Thursday 25 August 2005 05:47, [RBR] wrote : \___

    Quoted message said:
    Roy Schestowitz said:


    Is anything known about its affect on the body, e.g. the brain, the liver
    and so forth? The salmon recommendation was a useful one, but what I worry
    about more are the direct or indirect, short- and long-term effects of
    mercury absorption...

    Yes Roy, we do know about the long-term effects mercury has on the
    brain. Just look at our resident village idiot John Gohde, aka
    Mr-Natural-Health. That ought to make you cringe. I know it makes me
    cringe.

    I come here as a scientist, not as a village idiot. Somebody suggested that
    there are way to measure and dispose of heavy metals in our bodies. I
    wonder if that's an urban legend. The poster sounded as if he knew what he
    was referring to. still am not sure to what extent mercury is the body is
    damaging and in what sense.

    PubMedCentral.com is your friend. Here's a starter:
    http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=12711426&query_hl=16

  11. RBR said:

    Yes Roy, we do know about the long-term effects mercury has on the
    brain. Just look at our resident village idiot John Gohde, aka
    Mr-Natural-Health. That ought to make you cringe. I know it makes me
    cringe.

    Ah! I see that RBR 'the one Knee Wonder' read my post on that other
    thread and is able to hobble along well enough to punch his scribble on
    a keyboard. 🙂

    You have my condolences.

  12. Roy Schestowitz said:
    Quoted message said:

    Silly me! Here I thought that the chemical form of mercury in fish is
    what determines how much if any will be absorbed by the body.

    Go figure!

    Is anything known about its affect on the body, e.g. the brain, the liver
    and so forth? The salmon recommendation was a useful one, but what I worry
    about more are the direct or indirect, short- and long-term effects of
    mercury absorption...

    Well, perhaps if you were to concentrate?

    The chemical form of mercury in fish is what determines how much if any
    will be absorbed by the body. It is all a matter of biochemistry. And,
    if you were to care to research the issue you would in fact find
    reports stating that the chemical form of mercury found in fish means
    that the actual effect on your brain is not as bad as most people are
    reporting. Of course, it helps to have been following the health
    reports for a couple of years.

    Some people just need to be whining about something.

    You have my condolences.

  13. Roy Schestowitz said:

    I have done some reading on the subject in Wikipedia, being a source which I
    consider relatively reliable. The information was rather limited though.

    Wikipedia?

    The articles in Wikipedia do NOT make any health claims.

    Just thought that you might want to know.

  14. _____/ On Thursday 25 August 2005 16:57, [Mr-Natural-Health] wrote : \_____

    Quoted message said:


    Roy Schestowitz said:
    Quoted message said:

    Silly me! Here I thought that the chemical form of mercury in fish is
    what determines how much if any will be absorbed by the body.

    Go figure!

    Is anything known about its affect on the body, e.g. the brain, the liver
    and so forth? The salmon recommendation was a useful one, but what I
    worry about more are the direct or indirect, short- and long-term effects
    of mercury absorption...

    Well, perhaps if you were to concentrate?

    I was, but my knowledge in chemistry and biochemistry is mere.

    Quoted message said:

    The chemical form of mercury in fish is what determines how much if any
    will be absorbed by the body. It is all a matter of biochemistry. And,
    if you were to care to research the issue you would in fact find
    reports stating that the chemical form of mercury found in fish means
    that the actual effect on your brain is not as bad as most people are
    reporting. Of course, it helps to have been following the health
    reports for a couple of years.

    Some people just need to be whining about something.

    You have my condolences.

    Thanks for the information.

    Roy

  15. Roy Schestowitz said:

    there are dangers associated with tuna
    consumption, especially among pregnant women and the foetus. However, what
    implications would a daily consumption of tuna have on an average man? What
    will be the short- and long-term effects of it, if any?

    The whole issue of tuna is really quite mute!

    You will be hard pressed to find any brand of canned tunafish that
    contains more than one ounce of fat per serving. The low-fat craze and
    the female mind has pretty much motivated all tuna canning companies to
    drain all the fat from tuna fish.

    In order to get any amount of Omega-3 EFAs from canned tuna, you need
    at least 3 ounces of fat per serving. Since all the Omega-3 EFAs have
    been drained from most brands of tunafish, any knowledgeable person
    interested in their health and who has spent a minimal amount of time
    researching the issue would NOT be consuming tuna in the first place,
    regardless of the mercury issue.

    Just my opinion, but I am right as always. 🙂

  16. ___/ On Thursday 25 August 2005 17:11, [Mr-Natural-Health] wrote : \___

    Quoted message said:
    Roy Schestowitz said:

    there are dangers associated with tuna
    consumption, especially among pregnant women and the foetus. However,
    what implications would a daily consumption of tuna have on an average
    man? What will be the short- and long-term effects of it, if any?

    The whole issue of tuna is really quite mute!

    You will be hard pressed to find any brand of canned tunafish that
    contains more than one ounce of fat per serving. The low-fat craze and
    the female mind has pretty much motivated all tuna canning companies to
    drain all the fat from tuna fish.

    I'd prefer it without the fat actually. I get enough fat and carbohydrates
    from the rest of my diet. Tuna tends to compensate for a low protein
    intake.

    Quoted message said:

    In order to get any amount of Omega-3 EFAs from canned tuna, you need
    at least 3 ounces of fat per serving. Since all the Omega-3 EFAs have
    been drained from most brands of tunafish, any knowledgeable person
    interested in their health and who has spent a minimal amount of time
    researching the issue would NOT be consuming tuna in the first place,
    regardless of the mercury issue.

    Just my opinion, but I am right as always. 🙂

    I do not have an appeal for tuna due to Omega-3. For the time being, I just
    worry about undesirable contents such as mercury, which the media makes a
    hype of, perhaps justifiably, perhaps not.

    ___/ Also wrote: \___

    Quoted message said:
    Quoted message said:

    I have done some reading on the subject in Wikipedia, being a source
    which I consider relatively reliable. The information was rather limited
    though.

    Wikipedia?

    The articles in Wikipedia do NOT make any health claims.

    Just thought that you might want to know.

    I have a hard time trusting you not just because of RBR, but also because of
    your banishment from Wikipedia. No offence intended.

    Roy

  17. Roy Schestowitz said:

    I have a hard time trusting you not just because of RBR, but also because of
    your banishment from Wikipedia. No offence intended.

    Roy

    Yeah, ...right, sure. I happen to have posted to my user page just a
    few days ago. I think that I will now try to write your name on my
    talk page, right now.

    Just thought that you might want to know.

  18. Mr-Natural-Health said:


    RBR said:

    Yes Roy, we do know about the long-term effects mercury has on the
    brain. Just look at our resident village idiot John Gohde, aka
    Mr-Natural-Health. That ought to make you cringe. I know it makes me
    cringe.

    Ah! I see that RBR 'the one Knee Wonder' read my post on that other
    thread and is able to hobble along well enough to punch his scribble on
    a keyboard. 🙂

    You have my condolences.

    Methinks my one bad knee would still kick your ass in a 10K race. :o)

    Apart from sitting around eating [censored] and letting all your teeth rot,
    did you actually do something athletic in your youth, inquiring minds
    wanna know.

    Your parents have *my* condolences.

    RBR

  19. RBR said:

    Methinks my one bad knee would still kick your ass in a 10K race. :o)

    Apart from sitting around eating [censored] and letting all your teeth rot,
    did you actually do something athletic in your youth, inquiring minds
    wanna know.

    Me thinks that my two good strong legs could kick in that one lame knee
    of yours to make a matching pair.

    Ha, ... Hah, Ha! RBR let one of his knees rot. What kind of a role
    model are you? Oh, I know now. You are a failure.

    Just my opinion, but I am right as usual. 🙂

  20. Mr-Natural-Health said:
    RBR said:

    Methinks my one bad knee would still kick your ass in a 10K race. :o)

    Apart from sitting around eating [censored] and letting all your teeth rot,
    did you actually do something athletic in your youth, inquiring minds
    wanna know.

    Me thinks that my two good strong legs could kick in that one lame knee
    of yours to make a matching pair.

    Ha, ... Hah, Ha! RBR let one of his knees rot. What kind of a role
    model are you? Oh, I know now. You are a failure.

    So you basically did nothing, as I thought. Talk about a failure. LOL.

    Quoted message said:


    Just my opinion, but I am right as usual. 🙂

    Ah, the spokesperson for the American Dental Association speaks!

    Loser!

    RBR

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