INTRODUCTION TO TOXICOLOGY: poisons, dose response, LD50, environmental health reading comprehension passages. How much is too much when it comes to exposure? Toxicology uncovers the fine line between remedy and poison, tracing how chemicals move through living systems. It’s the science that protects our health by revealing what harms, and what heals, the body and the planet. This digital resource features Read Aloud Audio, Self-Marking Multiple Choice Questions, Critical Thinking Challenges, O