There is a team at RIT working on one - https://arstechnica.com/science/2019/02/high-tech-toilet-seat-monitors-your-heart-as-you-sit-on-the-can/ https://arstech

There is a team at RIT working on one - https://arstechnica.com/science/2019/02/high-tech-toilet-seat-monitors-your-heart-as-you-sit-on-the-can/ https://arstechnica.com/science/2019/02/high-tech-toilet-sea... I’ve seen their pitch for commercializing it and it seems legit (without having done a ton of due diligence).