Social media content creator Sydney Towle, who documented her life with a rare and aggressive cancer while maintaining an optimistic public outlook, has died at the age of 26, her family has announced. Towle had built a significant online following before her diagnosis, sharing videos of her everyday life, including surfing, running and time spent outdoors. Her TikTok account attracted more than one million followers, many of whom were drawn to her openness and resilience. That message became central to her online presence, which mixed footage from chemotherapy appointments with scenes of travel, exercise and social activities. According to the New York Times, she died at the National Institutes of Health in Bethesda, Maryland.