-- Implantable devices and In-Body Communication. -- A Study on the Implant Interface of Brain-Computer Interface Technology in the THz band. -- Implant and In-Body Communications: the ETSI SmartBAN Vision. -- Experimental Evaluation of Initial Connection Time with Interference in Body Area Network. -- Performance Improvement in Channel-estimated Implant Communication by Spatial Transmit Diversity and Signal Pre-emphasis Technique. -- Body Area Networks and Transmission Technologies. -- Wireless data transfer for Implanted Real-time Peripheral Nerve Interfaces. -- Design Options for Aggregators for In-body Networks. -- Visible light communications for implantable medical devices. -- Spectral Features-based Machine Learning Approach to Detect SARS-COV-2 Infection Using Cough Sound. -- Smart Healthcare Applications. -- Smart Healthcare System for Detection of Diabetic Retinopathy using Transfer Learning. -- A Novel Non-invasive Device in the Management of Type 2 Diabetes. -- Automatic Voice Classification Of Autistic Subjects. -- Channel Transfer Function Estimation of a Molecular Electrical Communication based on Redox. -- Real-Time and on-the-Edge Multiple Channel Capacitive and Inertial Fusion-Based Glove. -- Climbing Routes Clustering Using Energy-Efficient Accelerometers Attached to the Quickdraws. -- Finding beauty in mobile EEG when visiting art exhibitions. -- An Unsupervised Approach to Speed Up the Training of Multiple Models on Biomedical KGs. -- Privacy and Security in Wireless Body Area Networks. -- Performance Evaluation of Distance-based Random Mean Shift Clustering and Humpback Whale Optimization Algorithm for Sink node placement in WBAN. -- Ultrawideband on-body area network for navigational support. -- Healthcare Data Governance, Privacy, and Security - A Conceptual Framework. -- Towards Robust IoT Defense: Comparative Statistics of Attack Detection in Resource-Constrained Scenarios.

This book constitutes the refereed post-conference proceedings from the 18th EAI International Conference on Body Area Networks, BODYNETS 2024-A, held in Milan, Italy, in February 5-6, 2024. The 20 full papers presented here were carefully reviewed and selected from 48 submissions. These papers have been organized in the following topical sections: Implantable devices and In-body communication; Body area networks and transmission technologies; Smart healthcare applications; Privacy and security in wireless body area networks.