In this era of modernization and advancement in medical technologies it is easy to develop solutions to the problems and reaching its core is very important to do so. Exposome is an excellent introduction in the field of healthcare researcher as we can easily find what caused the disease, what went wrong that led to the failure and what could be improved. In this chapter we will learn about the types of exposomes, how they affect us and how we can study them to make humankind less prone to problems.