Liver Toxicology: Liver Toxicity Hepatotoxicity Drug Metabolism Clinical Significance Regulation Non-Genetic Factors Intervention Strategies Drug-Induced Liver Injury Toxicology Reproductive Toxicology: Reproductive Male Reproductive Toxicity Testis Epididymis Sperm Drug Exposure Environmental Compounds Alternative Toxicology: Alternative Methods Non-Animal Testing In Vitro In Silico Risk Assessment Regulatory Science Safety Evaluation Toxicological Research Clinical Relevance