The technologies of Artificial intelligence (AI) and the Internet of Things (IoT) perfectly complement each other for future enlargement. IoT connects all the things in the world over the internet. The number of connected devices contains a large number of data, which means IoT devices have endless information in chips and sensors for empowering people in various aspects of their lives. Even human and computer software can't handle and processes the considerable number of data which are generated by IoT devices. So, Artificial intelligence and machine learning algorithms help to control them. AI provides the functional solution to managing the various connected IoT elements. The critical issue is learning abilities and unlimited data processing that is generated by IoT devices. To rectify this issue, the companies are using the powerful subset of AI, called machine learning (ML). For applying ML to IoT data, the smart systems provide an accurate prediction. AI applications for IoT, enables the organizations to avoid unplanned downtime, spawn new services or products, increase operating efficiency, and enhance risk management. This combination is mainly used in the applications of healthcare, smart homes, autonomous vehicles, agriculture, and marketing. In these various applications, this survey paper describes healthcare applications based on Artificial intelligence (AI) and IoT. It also introduces the survey of different AI-based IoT techniques to predict the diseases earlier in the medical filed.
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