The National Library of Medicine ToxTutor has added new content and topics:

Section 3 (Toxic Effects):

• "Microbiome" topic added

Section 5 (Toxicity Testing Methods):

• Additional "Finding Information about Alternatives to Animal Testing" content
• Microphysiological Systems as used in "tissue chip" and "Organs-on-chips" models added
• "Human-on-a-Chip" content added
• Induced Pluripotent Stem Cells (iPSCs) as an emerging approach added
• Combining "chips" AND iPSCs information topic added 

Section 6 (Risk Assessment):

• Adverse Outcome Pathways (AOPs) content added
• "What to Consider when Reading about a New Exposure Study" topic added

Section 7 (Exposure Standards and Guidelines):

• Food Safety in the European Union topic added

New sections:

Section 15 Intuitive Toxicology and Risk Communication

Section 16 Environmental Toxicology, Environmental Health, and One Health

ToxTutor is a self-paced tutorial covering key principles of toxicology for users of the National Library of Medicine (NLM) chemical and toxicology databases. While a knowledge of anatomy and physiology is not required for viewing ToxTutor, the Introduction to the Human Body from the National Cancer Institute provides a good introduction to the topic.

This course is approved for 3 contact hours for California Registered Environmental Health Specialists (REHSs) and National Environmental Health Association's (NEHA) REHS/RSs. To take the tutorial and receive a certificate, please register and complete the tutorial through our free learning management system.