Liver cancer is more common in older people. Over half of people newly diagnosed with liver cancer are age 65 and over. Liver cancer is more common in men than in women. Liver cancer rates are highest among Asians and Pacific Islanders, most likely because of higher prevalence of viral Hepatitis infection. Liver cancer rates are lower among whites than Blacks or Asians and Pacific Islanders. At this time, we do not know exactly what causes cancer of the liver. There are several different types of liver cancer. The most common type is associated with long-term excessive alcoholic beverage use, scarring of the liver (cirrhosis), and Hepatitis B virus or Hepatitis C virus infection. Long-term use of anabolic steroids can also increase the risk of getting liver cancer. Smoking is also believed to increase the risk of getting liver cancer.