Hepatitis B, a liver infection, caused by the hepatitis B virus is one of the most serious types of viral hepatitis. Characterized by vomiting, yellowing of eyes, dark urine and abdominal pain, people with low immunity, pregnant women, those suffering from any illness, children and old people are at an increased risk. According to WHO statistics,  around 600000 people die every year due to the acute or chronic consequences of hepatitis B and  more than two billion people have been infected with the hepatitis B virus. Here are some frequently asked questions (FAQs) on hepatitis answered.   Early diagnosis of the disease is the key to get treated. However, if the disease is unattended, you may be at an increased risk of chronic liver disease or might be at a high risk of death from cirrhosis of the liver and liver cancer. To know in detail about hepatitis B and tips to prevent the disease, here's what you should know.