Prof. Dr. Feifei Feng is now an associate professor at the College of Public Health, Zhengzhou University. She received her Bachelor of Medicine and Doctor of Medicine degrees from the School of Public Health of Zhengzhou University in 2006 and 2012, respectively. From 2010 to 2012, she conducted co-doctoral research at the Duke University Medical Center. From September 2015 to September 2016, she was a postdoctoral fellow in the Department of Immunology at Duke University. Her research interests mainly include the environmental toxicology of air pollutants, new pollutants, climate, etc.; mechanisms and treatment of chemical carcinogenesis; and stem cells and nutrient interventions.