As more athletes use cannabis for aches and pain, there's more we need to know

As an Olympic triathlete in 2000, Joanna Zeiger, SPH '01 (Ph.D.), would never have envisioned a future researching cannabis, which until recently was on the U.S. Anti-Doping Agency's banned list. But that was before Zeiger's devastating career-ending bike crash at the 2009 Ironman 70.3 World Champio..