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Hair dye and smoking linked to liver disease risk

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A study assessing people’s risk of primary biliary cirrhosis has found that hair dye and smoking both increase the risk of progressive liver disease.

The study was based on more than 4,600 people, assessing their risk of primary biliary cirrhosis.

The researchers in Manchester and Newcastle found smoking increased the risk by 63% while hair dye increased it by 37%.

Previous bouts of urinary infection, psoriasis and shingles also increased the risk, as did autoimmune diseases such as rheumatoid arthritis, thyroid and coeliac diseases.

People in the study were not asked how often they dyed their hair and it is unclear which part of the hair dye may be responsible for the effect, the experts said.

However, previous studies have noted a link between cirrhosis and a chemical found in cosmetics called octynoic acid, which is used in hair dye and nail polish.

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Readers' comments (2)

  • hmm, confusing and you can't read the study without forking out 23.50!

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  • damn!!! really anything then
    what really annoys me is these random studies claiming to have found the link between anything and cancer.
    Forgot to mention air pollution,exposure to radon,too many pies,too many fags,breathing,drinking water that's been carbonated,too much caffeine,too much tannins in wine,driving,holding hands with "dirty"people,having insulation in your house,diet drinks,did I mention pies?
    being fat,not exercising,not eating five portions and fruit and veg a day,watching too much tv,too much time on the internet (radiation,you know!)
    The list can go on and on and on and on................................

    So in theory if you cut out everything,then you wouldn't get cancer-is this what this is claiming to say??

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