Engineers at MIT and Caltech have demonstrated an ingestible sensor whose location can be monitored as it moves through the digestive tract, an advance that could help doctors more easily diagnose gastrointestinal motility disorders such as constipation, gastroesophageal reflux disease, and gastroparesis.
https://www.lifetechnology.com/blogs/life-technology-medical-news/ingestible-sensor-could-help-doctors-pinpoint-gastrointestinal-difficulties
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