Coffee, this drink praised for its stimulating power, is also the subject of scientific studies highlighting its effects on liver health. Recent research reveals that regular coffee consumption could have a beneficial impact on the liver, potentially reducing the risks of diseases such as cirrhosis and liver cancer. The relationship between coffee and the liver is not limited to protective effects. The quantity and type of coffee consumed are key factors that can variably influence liver health.
The Benefits of Coffee on Liver Function
Coffee, a daily beverage for millions of people, holds benefits for liver health. Scientific studies emphasize that coffee consumption could be associated with a reduction in the risk of liver cancer and hepatocellular carcinoma, the latter being the fifth leading cause of cancer worldwide. The antioxidants and caffeine present in coffee play a key role in these protective effects. Beyond its action against malignant liver tumors, coffee also shows potential in preventing liver fibrosis. Regular consumption of this beverage could hinder the progression of this disease, thus preventing its evolution into cirrhosis. Similarly, correlations have been established between coffee and gamma gt (gamma-glutamyl transferase), a marker of liver damage, suggesting that coffee could promote a decrease in the levels of this enzyme. The relationship between coffee and insulin sensitivity also deserves attention. Improvement in the latter through coffee consumption could be a contributing factor to protection against non-alcoholic fatty liver disease (NASH) and chronic liver disease. The compounds kahweol and cafestol, although less known than caffeine, are present in coffee and contribute to its beneficial effects on liver health. However, coffee consumption should be considered with caution and discernment, taking into account individual habits and medical recommendations.
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Limits and Consumption Recommendations
Consuming coffee, yes, but in what quantity? A question that a recent Australian study has attempted to answer. Published in the journal Alimentary Pharmacology and Therapeutics, this research suggests that moderate coffee consumption estimated at 2 to 3 cups per day could significantly reduce liver cancer mortality. These data, corroborated by the statistical tool Global Burden of Disease 2016, reinforce the position of some Australian researchers advocating for measured consumption to maximize benefits while minimizing risks. However, coffee consumption can influence cardiovascular health and is not recommended in cases of renal insufficiency. The effect of caffeine on sleep is also to be considered. For those sensitive to these effects or concerned about their caffeine intake, alternatives exist, such as decaffeinated coffee, milk coffee, whose effects are modified by the addition of milk, or filter coffee, known for its ability to reduce iron absorption. Medical procedures such as liver ultrasound or fibroscan can help assess the impact of coffee consumption on individual liver health. Infusions, such as tea, are also being studied for their potential beneficial impact on protection against liver fibrosis. The UK Biobank, with its detailed health data on 500,000 volunteers, offers a valuable resource for future studies, as noted by Dr. Oliver Kennedy, lead author of research on the benefits of coffee. Therefore, consider these elements in developing your consumption habits, in accordance with the advice of health professionals.
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