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Helium shortage: Doctors are worried that running out of the element could threaten MRIs

“You get these sharp images, and you can distinguish soft tissues,” said Dr. Scott Reeder, chief of MRI at the University of Wisconsin School of Medicine and Public Health. “It’s central to many things we do in modern medicine.” MRIs help doctors diagnose brain tumors, strokes, spinal cord injuries, liver diseases and cancer. The 3D images, experts say, are irreplaceable.