How does drinking coffee help prevent liver cancer?
A.Various components of coffee have been related to such a positive effect, including caffeine, coffee oils kahweol of cafestol, and antioxidant substances from coffee, but no definite evidence is available. However most scientists agree that it is probably the antioxidants in coffee, working in conjunction with caffeine, which results in this positive effect. Caffeine is already known to help protect against liver cirrhosis and given the weight of evidence from population studies, coffee appears to have a real effect in reducing the risk of liver cancer.