" Similarly, heavy alcohol drinkers who consume more than four cups of coffee per day appear to reduce their risk of liver inflammation—but not by nearly as much as people who cut down on alcohol.87 Liver cancers are among the most avoidable cancers, through hepatitis B vaccination, control of hepatitis C transmission, and reduction of alcohol consumption. These three measures could, in principle, wipe out 90 percent of liver cancers worldwide. It remains unclear whether coffee drinking has an additional role to "

― Michael Greger , How Not to Die: Discover the Foods Scientifically Proven to Prevent and Reverse Disease