Key terms dominating this era included “nitric oxide,” “free radicals,” “steatohepatitis,” “hepatitis,” “cytokines,” “lipid peroxidation,” “alanine aminotransferase,” and “methionine.” This period witnessed significant efforts to understand the biochemical aspects of hepatitis, particularly concerning oxidative stress, inflammation, and liver function markers. Here, GPT is linked to hepatitis A virus infection.