Final answer:
Hepatitis is inflammation of the liver caused by various viruses. Hepatitis B, specifically, is caused by infection with the hepatitis B virus and can lead to liver damage and an increased risk of liver cancer.
Step-by-step explanation:
Hepatitis is inflammation of the liver, caused mainly by various viruses but also by some poisons, autoimmunity or hereditary conditions. There are five main hepatitis viruses: A (HAV), B (HBV), C (HCV), D (HDV), and E (HEV). Hepatitis B, specifically, is inflammation of the liver caused by infection with the hepatitis B virus. It can lead to liver damage and increase the risk of liver cancer.