The proceedings of the 3rd International Conference on Health, Technology, and Life Science (ICO-HELICS 2022) shared ideas, pre-clinical and clinical research results, and literature review, on various aspects of medical science including heart disease, stroke, cancers, vaccines, infections, immunological disease, reproductive health, pharmacology and other health diseases. The proceedings aim to deliver new insights to the knowledge and practice of health workers and equip them in providing the best quality health care and clinical outcomes.As the idea of advanced clinical research originated from basic or fundamental research, it explores the life processes that are universal in their application to scientific knowledge. Therefore, these proceedings will also be of interest to academics, practitioners, health workers, and professionals involved in medical research.