Feasibility of Wearable-Based Continuous Temperature Monitoring

Inclusion Criteria: * Written informed consent obtained prior to any project-specific procedures. * Age 18 years or older at enrolment. * Able and willing to comply with project procedures, including capsule ingestion, continuous wearable use for around 48 hours, and adherence to study instructions. * Able to swallow the ingestible temperature capsule without difficulty. * No contraindication to ingestible thermometry as assessed by the investigator. Exclusion Criteria: General: * Body weight \< 36 kg. * Women who are pregnant. * Participation in another clinical investigation involving an investigational medicinal product or medical device within the 30 days preceding enrolment or previous enrolment in the current project. * Enrolment of the Principal Investigator, project staff, their family members, employees, or other dependent persons. * Inability to provide valid informed consent or significant language barrier preventing adequate understanding of procedures. Implants \& MRI: * Presence of any active Implantable Medical Device (AIMD), including Pacemakers, Implantable Cardioverter Defibrillators (ICDs), Deep Brain Stimulation (DBS) devices, or Left Ventricular Assist Devices (LVADs). * Requirement for MRI scanning during the seven days following the capsule intake. Cognitive/Physical Status: * Unconscious patients (prior to ingestion). * Patients with special needs or disabilities preventing safe autonomous swallowing. Gastrointestinal: * Known history of dysp…