Today, the rapid scientific and technological advancements have caused several health risks alongside the comforts in life. Human health risk assessment is a process which evaluates such health issues in a logical and systemic manner to bring them at acceptable level. However, many human health risk assessment and management (HHRAM) approaches are developed and employed in developed countries, but due to different orientation most of them are found incompatible for developing countries. Therefore, in the present book, an investigation to design and develop a predictive in-silico tool for HHRAM and ehealth survey of developing countries' population is described. The book may be useful into developing the HHRAM program at individual to community (Provincial/National/International) level by various regulatory agencies and research organizations. Hence the students, Researchers, regulatory agencies (state/provincial) and most importantly every common man may take the revenue of it.