A Toxicologist specializes in studying the effects of chemicals and substances on human health and the environment. They assess risks, conduct experiments, and analyze data to ensure safety regulations compliance. Key responsibilities include toxicological assessments, interpretation of results, and developing safety protocols. Required skills include analytical expertise, critical thinking, and awareness of regulations. Typically working in labs or industry settings, they collaborate with researchers, regulatory agencies, and safety professionals. Career progression involves roles such as Senior Toxicologist or Regulatory Affairs Specialist, with opportunities in academia, pharmaceuticals, and environmental consulting.