DOUGLAS FARMER, SENIOR EDITOR [email protected]PASADENA, Calif., Oct. 8, 2024 — Despite the danger stroke presents to large segments of the population, clinicians have historically been at a disadvantage in successfully identifying those at grave risk of having a stroke ahead of time. But a team from the California Institute of Technology and Keck School of Medicine of the University of Southern California has created a headset based on relatively basic laser and detector technology that could be fitted on patients to dramatically change the health trajectory of those at risk. 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