Health Stephanie Buttermore Death: Fitness Influencer Dies at 36 by Dr Natalie Singh - Health Editor March 8, 2026 by Dr Natalie Singh - Health Editor March 8, 2026 Fitness Influencer Stephanie Buttermore Dies Suddenly at 36 Stephanie Buttermore, a well-known fitness influencer, PhD, and ovarian cancer researcher, has died unexpectedly at the age of 36. Her fiancé, Jeff … 0 FacebookTwitterPinterestEmail