The Internet of Things (IoT) is a huge deal all around the world. It can be used in a variety of fields, including industrial, healthcare, agriculture, and the environment. Due to a lack of interaction among patients and doctors in the past, correct diagnosis was difficult to come by, and fatality rates were high. They were incapable of dealing with epidemics and pandemics. The Internet of Medical Things (IoMT) was recently developed to better and improve the healthcare profession. IoMT is a medical gadget that allows for increased patient convenience, price healthcare treatments, improved medical therapies, and more customized care. Wearable gadgets have been on the rise, with several benefits in terms of keeping watch of vitals and healthcare, igniting the growth of the Internet of Medical Things (IoMT). It allows electronic technologies to collect, analyze, and send information to cloud systems. This allows you to examine the patient's health status at any time and from anywhere, including body temperature, pulse rate, hearing beats utilizing ECG sensors, temperature, pressure, and observation. Digital gadgets have been designed and are widely used as a result of these systems. Doctors may keep track of a patient's health status in real time and prescribe medicine, vitamins supplements, and healthcare advice to them through. IoMT aids in the detection of body changes such as the growth of irregular masses of undifferentiated cells, the recognition of neural disorders, the checking of diabetic patients' glucose levels, the detection of psychiatric conditions using heartbeat, the real-time tracking of chronic disease symptoms, the screening of internal organ dysfunction, and the monitoring of cardiac blocks that cause heart attacks. IoMT assisted doctors in identifying and diagnosing COVID-19-affected patients and assisting them in providing appropriate therapy remotely. Clinical decisions were made with the help of IoMT as Artificial Intelligence (AI), telemedicine, and sensor technologies advanced. In the context of smart cities, IoMT introduces a new issue in the healthcare sphere. This chapter provides an outline as to how IoMT operates and how it has improved the lives of many patients through the use of modern technologies. This also includes a design and overview of IoMT, as well as numerous activities in the health-care industry, pop-up technologies, and several IoMT case studies in medical applications. It also lays out the IoMT's cybersecurity rules and indicates issues which need to be tackled at the parliamentary and community sectors.

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