Erika Klein is a freelance writer whose work focuses on health and the outdoors. She aims to help readers understand complex ideas and find practical ways to improve their lives. Erika holds an MS in journalism from the University of Southern California and regularly contributes health content for Healthline, Naples Illustrated magazine, and other publications. Get in touch on Instagram (@erika.j.klein) or at www.erikajklein.com.
Leaving the library late one night during graduate school, Tiffany Elliott could barely walk. “I could take a couple of steps and I'd have to stop because it was such intense pain,” she recalls. When she eventually reached her car,…