Apple Watch helps detect woman's fast-spreading cancer, saving her life.Amanda Faulkner's Apple Watch alerted her of a high resting heart rate of 90 bpm, leading to a diagnosis of rare blood cancer.AML (Acute Myeloid Leukemia) is an aggressive and fast-progressing cancer that requires early detection.While not a substitute for medical advice, Apple Watch can provide insights and warning signs for life-threatening diseases.