In the last decade technology has advanced tremendously in all fields and health sector is equally benefited. Healthcare is more likely known as e-health in this era of information and technology because of its advancements and opportunities given to health sector. E-health proposes more convenient and approachable accessibility for the health providers and patients. Information technology and electric health together have made the health sector more updated and idealized for individuals. Health devices, appliances and wearables are kind of recent innovations in healthcare. With the trend of health devices and health wearables there have been certain challenges in healthcare sector as well when it comes to clinical acceptance and practice. This literature review aims to define current health scope of wearables, challenges and future if wearables in health industry.