December 14, 2013

Coffee and Cigarettes May Protect Against Liver Disease

Provided by Science Daily

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Liver transplantation. PSC is the main cause for liver transplantations in Scandinavia. (Credit: Ram Gupta, Oslo University Hospital)

Dec. 14, 2013 — Coffee and cigarette smoking may protect against the rare liver disease Primary Sclerosing Cholangitis (PSC), study shows.

In a new study from Norway published inClinical Gastroenterology and Hepatology, both coffee consumption and cigarette smoking are shown to potentially protect against primary sclerosing cholangitis (PSC). This is a chronic liver disease caused by chronic inflammation of the bile ducts.

The findings are of great interest against a backdrop of increasing knowledge on coffee as a possible protective agent in other liver diseases.

The cross-sectional study was conducted by researchers at the Norwegian PSC Research Center based at Oslo University Hospital and the University of Oslo.

The study was conducted using a questionnaire about environmental exposures, and included 240 PSC patients and 245 controls.

Coffee

The study shows showed that the PSC patients had lower coffee consumption both currently and in the early adulthood, suggesting that coffee consumption could protect against the development of the disease. PSC patients who drank coffee, however, had lower levels of liver enzymes in the blood, thus suggesting a beneficial effect in the liver.

Cigarettes

Regarding cigarette smoking, only 20% of the patients reported ever daily cigarette smoking, compared with 43% of the healthy controls. In addition, cigarette smokers acquired the disease on average 10 years later than non-smokers. Taken together, these observations confirm and strengthen previous observations of smoking as a possible protective factor in PSC.

About PSC

While PSC is not a common disease, it is a severe condition affecting mostly young adults (30-40 years), and with a high risk of associated cancer of the bile ducts.

Few treatment options are available and PSC is one of the most important reasons for liver transplantation. While the possible protective effect of smoking against PSC seems rather unique to this particular liver disease, coffee consumption has been shown to protect against multiple other liver conditions including liver cirrhosis and liver cancer -- and now for the first time also against PSC.

Story Source:

The above story is based on materials provided by Oslo University Hospital, via AlphaGalileo.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.

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