The world anti doping agency WADA has set up a taskforce which is investigating unintentional doping offences in sport.

WADA invited athletes, coaches , doctors and support personnel to take part by sending through their experiences

In this epìsode of the sport intern special, presenter Ashish Sharma chats to Amanda Hudson. She is the Director of Education at WADA and the person behind the study, called the Unintentional Doping Research Project