Milan Cortina Games first to feature ban on PFAS in ski wax

The Milan Cortina Winter Olympics are the first to feature a ban on ski wax that includes PFAS, the forever chemicals linked to a range of health problems and diseases. The chemicals had made the wax especially effective; now, athletes and wax techs are experimenting with less effective alternatives. The World's Marco Werman speaks with Julia Mehre Ystgaard, Canadian cross-country ski coach.