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  1. #1
    Strongripology priest bodybuilding reputation
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    Green tea abuse-> hepatitis?

    Hi guys.
    Fact: i love green and white tea.
    Fact: a friend of mine has been diagnosed of hepatitis C caused by green tea intoxication. He doesn't bodybuild, he just loves (loved) green tea and had several hard-n-heavy cups a day.

    I've been having a look and tried to do some research but even tho i'm a researcher myself this is so far from my field of knowledge that i get kinda lost. I've found some references:

    acute hepatitis (not even a friking abstract)

    Hepatotoxicity (same)


    If you do a quick search you'll find both positive and negative studies about the matter. I'm not too worried but i'd like to know if this only happens to "hypersensible" people, or it's a matter of dosages (and then how much is too much) etc...

    So if a any of you have access to these (or other) full text i think this could be interesting for everyone.

    Cheers.

    PS: my friend is getting better ATM, doctors are eveluating if there is some permanent damage to the liver or not.

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  2. #2
    Mecca V.I.P. bodybuilding reputation sexnews's Avatar
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    I suppose TOO MUCH of anything isn't good for you.

    Now where is that glass of Coke with extra ice of mine?


    Just one Dick's opinion!


    [JUNE 09|MOTM]


  3. #3
    Strongripology priest bodybuilding reputation
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    Quote Originally Posted by sexnews View Post
    I suppose TOO MUCH of anything isn't good for you.

    Now where is that glass of Coke with extra ice of mine?
    Sure, i'm just asking where's the line. We're talking in other thread about 500ml to start noticing the good effects, and idk if one, two five littres is bad or what :wutyousay:


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  4. #4
    Mecca Mod (not) bodybuilding reputation Daniel Andersson's Avatar
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    Green tea (Camellia sinensis)

    Side Effects and Warnings

    Studies of the side effects of green tea specifically are limited.
    However, green tea is a source of caffeine, for which multiple reactions are reported.

    Caffeine is a stimulant of the central nervous system, and may cause insomnia in adults, children,
    and infants (including nursing infants of mothers taking caffeine).
    Caffeine acts on the kidneys as a diuretic (increasing urine and urine sodium/potassium levels and potentially decreasing blood sodium/potassium levels)
    and may worsen incontinence.
    Caffeine-containing beverages may increase the production of stomach acid and may worsen ulcer symptoms.
    Tannin in tea can cause constipation.
    Certain doses of caffeine can increase heart rate and blood pressure, although people who consume caffeine regularly do not seem to experience these effects in the long-term.

    An increase in blood sugar levels may occur.
    Caffeine-containing beverages such as green tea should be used cautiously in patients with diabetes.
    In contrast, lowering of blood sugar levels from drinking green tea has also been reported in preliminary research.
    Additional study is needed in this area.

    People with severe liver disease should use caffeine cautiously,
    as levels of caffeine in the blood may build up and last longer.
    Skin rashes have been associated with caffeine ingestion.
    In laboratory and animal studies, caffeine has been found to affect blood clotting, although effects in humans are not known.

    Caffeine toxicity is possible with high doses.
    Chronic use can result in tolerance, psychological dependence, and may be habit forming.
    Abrupt discontinuation may result in withdrawal symptoms.

    Several population studies initially suggested a possible association between caffeine use and fibrocystic breast disease,
    although more recent research has not found this connection.
    Limited research reports a possible relationship between caffeine use and multiple sclerosis, although evidence is not definitive in this area.
    Animal study reports that tannin fractions from tea plants may increase the risk of cancer, although it is not clear that the tannin present in green tea has significant carcinogenic effects in humans.

    Drinking tannin-containing beverages such as tea may contribute to iron deficiency, and in infants,
    tea has been associated with impaired iron metabolism and microcytic anemia.

    In preliminary research, green tea has been associated with decreased levels of estrogens in the body.
    It is not clear if significant side effects such as hot flashes may occur.



    Berube-Parent S, Pelletier C, Dore J, et al. Effects of encapsulated green tea and Guarana extracts containing a mixture of epigallocatechin-3-gallate and caffeine on 24 h energy expenditure and fat oxidation in men. Br J Nutr 2005;94(3):432-436.
    Chiu AE, Chan JL, Kern DG, et al. Double-blinded, placebo-controlled trial of green tea extracts in the clinical and histologic appearance of photoaging skin. Dermatol Surg 2005;31(7 Pt 2):855-860.
    Choan E, Segal R, Jonker D, et al. A prospective clinical trial of green tea for hormone refractory prostate cancer: an evaluation of the complementary/alternative therapy approach. Urol Oncol 2005;23(2):108-113.
    Chow HH, Hakim IA, Vining DR, et al. Effects of dosing condition on the oral bioavailability of green tea catechins after single-dose administration of Polyphenon E in healthy individuals. Clin Cancer Res 6-15-2005;11(12):4627-4633.
    Cnattingius S, Signorello LB, Anneren G, et al. Caffeine intake and the risk of first-trimester spontaneous abortion. N Engl J Med 12-21-2000;343(25):1839-1845.
    Dlugosz L, Belanger K, Hellenbrand K, et al. Maternal caffeine consumption and spontaneous abortion: a prospective cohort study. Epidemiology 1996;7(3):250-255.
    Fukino Y, Shimbo M, Aoki N, et al. Randomized controlled trial for an effect of green tea consumption on insulin resistance and inflammation markers. J Nutr Sci Vitaminol (Tokyo) 2005;51(5):335-342.
    Gao YT, McLaughlin JK, Blot WJ, et al. Reduced risk of esophageal cancer associated with green tea consumption. J Natl Cancer Inst 6-1-1994;86(11):855-858.
    Henning SM, Aronson W, Niu Y, et al. Tea polyphenols and theaflavins are present in prostate tissue of humans and mice after green and black tea consumption. J Nutr 2006 Jul;136(7):1839-43.
    Hodgson JM, Puddey IB, Burke V, et al. Effects on blood pressure of drinking green and black tea. J Hypertens 1999;17(4):457-463.
    Lambert JD, Yang CS. Mechanisms of cancer prevention by tea constituents. J Nutr 2003;133(10):3262S-3267S.
    Laurie SA, Miller VA, Grant SC., et al. Phase I study of green tea extract in patients with advanced lung cancer. Cancer Chemother Pharmacol 2005;55(1):33-38.
    Maron DJ, Lu GP, Cai NS, et al. Cholesterol-lowering effect of a theaflavin-enriched green tea extract: a randomized controlled trial. Arch Intern Med 6-23-2003;163(12):1448-1453.
    Seely D, Mills EJ, Wu P, et al. The effects of green tea consumption on incidence of breast cancer and recurrence of breast cancer: a systematic review and meta-analysis. Integr Cancer Ther 2005 Jun;4(2):144-55.
    Westerterp-Plantenga MS, Lejeune MP, Kovacs EM. Body weight loss and weight maintenance in relation to habitual caffeine intake and green tea supplementation. Obes Res 2005;13(7):1195-1204.





  5. #5
    Strongripology priest bodybuilding reputation
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    Thanks a lot DA, although i believe that whatever happened to my friend wasn't caffeine related.


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    Mecca V.I.P. bodybuilding reputation philosopher's Avatar
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    Are you sure its hepatitis C and that its caused by the green tea, because I never heared of it. Hepatitis C is serious and could get chronic. If it gets chronic it can cause inflammation of the liver which could lead to liver failure (I'm talking years here)


    liberation trough self brutalization, real men don't fear pain and thus can't be controlled.


  7. #7
    Strongripology priest bodybuilding reputation
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    philo, that's what i've been told (i haven't talked to the doctors directly).

    First he was diagnosed as "temporal liver malfunction" (unknown reason).
    Then hepatitis produced by (undertermined) food poisoning
    And now they are "sure" it's hepatitis caused by green tea intoxication. I'm pretty sure he told me "C", anyway i believe B and A are worse?


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    Mecca V.I.P. bodybuilding reputation Ironslave's Avatar
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    I will look into this.




  9. #9
    Mecca V.I.P. bodybuilding reputation philosopher's Avatar
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    Quote Originally Posted by Storm View Post
    philo, that's what i've been told (i haven't talked to the doctors directly).

    First he was diagnosed as "temporal liver malfunction" (unknown reason).
    Then hepatitis produced by (undertermined) food poisoning
    And now they are "sure" it's hepatitis caused by green tea intoxication. I'm pretty sure he told me "C", anyway i believe B and A are worse?
    I'm not on expert on this, but Hepatitis A is more likely. Hepatitis B and C can only be spread bij blood tot blood contact or sexual contact. Hepatitis A can get transmitted by food or drinkwater.

    B and C are the worst ones to get because they can get chronic and could lead to liver failure or liver cancer.


    liberation trough self brutalization, real men don't fear pain and thus can't be controlled.


  10. #10
    Strongripology priest bodybuilding reputation
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    Quote Originally Posted by philosopher View Post
    I'm not on expert on this, but Hepatitis A is more likely. Hepatitis B and C can only be spread bij blood tot blood contact or sexual contact. Hepatitis A can get transmitted by food or drinkwater.

    B and C are the worst ones to get because they can get chronic and could lead to liver failure or liver cancer.
    It should be A then. Thanks


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    Mecca V.I.P. bodybuilding reputation Folk Artist's Avatar
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    Re: Green tea abuse-> hepatitis?

    I think the caffeine in green tea, in excessive amounts can lead to anxiety, abnormal heart rhythm and shakiness and they say you should limit your intake to 5 or less cups a day. Also If you are on medications, drinking green tea may create some problems and you could check with your doctor for other side effects of drinking green tea as well.




  12. #12
    Mecca V.I.P. bodybuilding reputation bodybuilding reputation bodybuilding reputation Alexandoy's Avatar
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    Re: Green tea abuse-> hepatitis?

    I am not an authority on the subject but from what I know hepatitis is a contagious disease that can come from anything that we ingest, i.e. food and drinks. Some decades ago there was an epidemic of hepatitis in the city because of the prevalence of street food that somehow may have been contaminated by the diners themselves. The department of health said that we make sure that what we eat are clean and not handled by dirty hands. That's my take on hepatitis so maybe that tea was contaminated?




  13. #13
    Mecca Maniac bodybuilding reputation Kakashi2020's Avatar
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    Re: Green tea abuse-> hepatitis?

    Moderation is the key to good health. To much of anything can and will harm you. It's like eat purely meat for 6 months and you'll be diagnosed with something just like eating to much vegetables, it ain't healthy or safe try eating it for six months and you'll contract a disease or something. A person needs a balance diet to be healthy.




  14. #14
    Junior Member bodybuilding reputation
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    Re: Green tea abuse-> hepatitis?

    The problem with GTE, as usual is megadosing. More is not always better and sometimes can precipitate disaster.





    I've actually had a difficult time finding supplement sources that provide low doses, particularly of B-Complex, C, Magnesium, Zinc & Selenium.




  15. #15
    Mecca V.I.P. bodybuilding reputation Heatman's Avatar
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    Re: Green tea abuse-> hepatitis?

    I'm not sure if green tea alone is capable of causing hepatitis. I have been on green tea for a while now and I have never had any problems with suffering from hepatitis so far. I do go for full medical check up every now and then, everything seem normal. It may be other things or what one ingest that might be the cause of the hepatitis and I'm pretty sure the sickness is sexually transmitted.






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