Toxicity is defined as the study of the side effects of biological chemicals. It is the study of poisoning, especially the symptoms, mechanism, treatment and detection of human poisoning. In 2014, the global market value of selected healthcare-acquired infection (HAI) treatments was close to 15.2 billion U.S. dollars. The market is expected to grow from nearly 17.1 billion U.S. dollars in 2015 to 23 billion U.S. dollars in 2020, with a compound annual growth rate (CAGR) of 6.1% from 2015 to 2020.

Dose response complexities
Computational toxicology
Clinical Toxicology
Toxins and toxicology
Forensic Toxicology