Dr. Izatus Shima Taib is a lecturer and researcher at the Center for Diagnostics, Therapeutics and Investigation, Faculty of Health Sciences, Universiti Kebangsaan Malaysia. Her research interest is in the field of toxicological pathology that includes oxidative stress. She is actively involved in research related to toxicity to the male reproductive system through oxidative and endocrine stress mechanisms. In addition, she is actively involved in research related to the potential of Vitamin E as a therapeutic agent for reducing the toxicity to the male reproductive system.