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The Internet of Things (IoT) brings connectivity to about every object found in the physical space. It extends connectivity not only to mobile and wearable devices but also to everyday objects. From connected fridges and cars to fully interconnected smart cities, the IoT creates opportunities in numerous domains. This paper briefly highlights the promising applications of IoT in healthcare. The privacy challenges, risks, and vulnerabilities posed by the diversity and heterogeneity of communications in the IoT are then identified, followed by a privacy risk assessment.