Ph.D. in Toxicology typically takes 3 - 5 years to complete and focuses on the study of harmful substances and their effects on living organisms. The program encompasses a range of disciplines, including biology, chemistry, pharmacology, and environmental science. Students engage in advanced coursework, and laboratory research, and often complete a dissertation based on original research in areas such as drug toxicity, environmental toxicology, or risk assessment. This degree prepares graduates for careers in academia, industry, regulatory agencies, or public health, where they contribute to understanding and mitigating the risks associated with toxic substances.