If you have hepatitis B, it is possible to live to be over 80 years old. If you have hepatitis B, you can live as long as you do not develop cirrhosis of the liver. But to do a good job of liver maintenance, the liver is most afraid of alcohol, alcohol has a direct toxic effect on the liver, so to do not touch a drop of alcohol. In addition, pay attention not to stay up late, long-term stay up late will not let the liver get rest, so that the liver detoxification capacity decreases, but also induce hepatitis activity. Do not eat food with too many additives, too many additives are chemically synthesized, after eating it will only increase the burden of detoxification of the liver. You should also do regular medical checkups and treat any problems in a timely manner. If you do the above life conditioning, life expectancy is the same as normal people.