When Sara was 16, she was misdiagnosed as having dystonia, a neurological condition. When she was 32, she was finally diagnosed, correctly this time, with Parkinson’s disease, a neurological disorder that affects movement, speech, and daily life. With little information from her doctor and a newborn in tow, Sara set out on a journey of self-tracking: monitoring her symptoms to help improve her health. In this conversation, Harlan finds out what sparked Sara’s self-care and how others can follow her example.