CHARLOTTESVILLE, Va. — Sarah’s heart stopped for three minutes during surgery. When she came back, everything felt different, just not in the way anyone expected. She returned from what felt like unconditional love, only to find she could not connect with her own husband. The trivial concerns of daily life felt meaningless. Her marriage ended within two years. Sarah isn’t alone. A new University of Virginia study finds that near-death experiences often bring deep spiritual shifts and can reduce fear of death. They can also strain the closest relationships and leave experiencers feeling isolated in a world that suddenly feels...