Over the years, scientists have spent a lot of time looking at the beneficial effects of coffee, possibly because many of them seem to live off it. A recent reanalysis of existing studies suggests that people who drink 2 additional cups of coffee are 44% less likely to get excessive liver scarring. What is amazing is that this “protective effect” seem to increase with the amount of coffee you drink, and has been seen in multiple studies. However, it is still not clear exactly how coffee benefits the liver. More experiments still need to be done to find out if this benefit is due to caffeine or something else in coffee, and whether if the methods of preparation would make a difference.
Happy international coffee day!
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Further reading:
http://www.journal-of-hepatology.eu/article/S0168-8278(17)30147-2/fulltext
http://onlinelibrary.wiley.com/doi/10.1111/apt.13523/full
https://www.ncbi.nlm.nih.gov/pubmed/25291138
https://www.britishlivertrust.org.uk/liver-information/diet-and-liver-disease/coffee-and-the-liver/
the Runaway Lab Book 