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heart disease research
[Sources: illustration, wildpixel/istockphoto; DI Studio]
Fort Worth Hospital Ties Mayo Clinic as a Top U.S. Enrollment Site in Global Study of Life-Threatening Arrhythmias
by Sandra Engelland | Jan 20, 2026
Texas Health Harris Methodist Hospital Fort Worth is ranked among the most active U.S. sites in a global trial of a new defibrillator for life-threatening heart rhythm disorders.
![Organoids without blood vessels can't grow larger than sesame seeds—about 3 millimeters—before dying from lack of oxygen and nutrients. UNT and Stanford researchers say they've solved this problem. Seeds pictured above are not to scale. [Image: Pinchai Puntong/istockphoto]](https://s24806.pcdn.co/wp-content/uploads/2025/08/Sesame-Seed-organoid-science-iStock-1487667097-360x203.jpg)
by Maddie Preston |
Aug 21, 2025
Scientists at at the University of North Texas and Stanford Medicine have created tiny artificial organs called organoids with fully formed blood vessel networks. The stem cell-based breakthrough could transform drug testing and disease research while reducing the need for animal models—and expand possibilities for regenerative medicine.
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